Monster Girl Development Master

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Monster Girl Development Master

Author: Bai Yu

Summary:

Zhuang Sen was transported to another world, where extraordinary bloodlines were revered, and the strong could even transform into dragons or titans, capable of taking on thousands single-handedly.

But Zhuang Sen was very dissatisfied. How could a mere dragon compare to a dragon maiden?

Monster Girl Development System, Activated!

Thus, the devout and holy nun transformed into the alluring and muscular snake girl Lamia; the quiet young scholar became a languid and seductive vampire girl; the cunning and shrewish little imp sister became the charming and adorable Happy; and the haughty princess became a red dragon girl…

From weak slime girls to powerful dragon girls, from holy angels to alluring demon girls, wherever Zhuang Sen's territory expands, monster girls proliferate like a plague.

What? You're saying low-level monster girls are too weak and their bloodline limits them so they can never become stronger?

It's simple, I'll help her evolve!

After saying that, Zhuang Sen grabbed the monster girl and she instantly evolved. As the light of evolution faded, another hunter joined the hunt.

Zhuang Sen is only fit for the strong!

Years later, the legendary King of Endurance, the Father of a Hundred Races, and the King of Kings, Zhuang Sen, looked at the monster girls scattered throughout the world and uttered his final words: "Quack, don't mess with it!"

Volume One

Chapter 1: Sister Lamia

Zhuang Sen woke up with a severe headache. The light from the dump truck's headlights seemed to linger in his eyes, but it was immediately swallowed up by the intense headache. He didn't even have time to think about why he was still alive before he fainted again.

The last thing he saw was a retro-style room, a corpse with a face exactly like his, and a beautiful woman slowly walking towards him.

……

Starry Night City, Temple of Aranta, 9:00 AM.

Dressed in brocade robes emblazoned with the black raven emblem, Zhuang Sen finished his routine prayer and looked at Sister Dantalian, who was still praying beneath the statue of the Furies.

The simple nun's robes tried their best to conceal her graceful figure, but her overly prominent, moist breasts and pert mounds exceeded the capabilities of an ordinary robe, still exuding an alluring charm. Especially when the nun knelt down to pray, her upturned buttocks, which extended past her shoulders, pressed against her fair heels, creating a fleshy indentation that contrasted sharply with her devout and gentle demeanor.

However, after admiring it for a while, Zhuang Sen focused his attention on the top of her head, where a chibi-style white snake was coiled.

As Zhuang Sen continued to stare, a screen of light appeared before his eyes:

【Dantrian】

[Bloodline: Holy Lamia] (Snake Girl)

[Development Status: Unawakened]

[Development Rewards - Beginner: Random Divine Bloodline *1, Lamia Subspecies Illustration Unlocked]

Zhuang Sen has been in this world for a week now and has figured out his identity and situation: the son of the tenth in line to the throne, and at least thirty brothers and sisters—and that's only those who are qualified to compete for the right of succession.

Unless he's willing to willingly hand over his heads to his beloved brothers and sisters, he'll have to quickly increase his strength and influence to deal with any potential dangers. As for sincerely stating that he doesn't want to participate in this competition and just wants to be a parasite? That's useless, because his current cheapskate father used this very tactic to eliminate most of his brothers and sisters and become an earl.

Like father, like son.

This world is roughly set around the 14th century on Earth and is inhabited only by humans. The unique aspect is the existence of a supernatural power called Bloodline Awakening. Those awakened possess not only superhuman physical abilities but also, depending on their bloodline, innate talents such as Shadow Step and Dragon Breath, and even extended lifespans. Typically, a newly awakened Level 1 Bloodline Knight can contend with a dozen well-trained armored soldiers; those with exceptional bloodlines can achieve even greater feats.

Furthermore, only a select few can awaken their bloodline, even those who are descendants of those with a particular bloodline. Therefore, the nobles of this world have numerous offspring to ensure the continuation of their family bloodline. In essence, only those who awaken their bloodline are considered the true children of these noble families.

Unfortunately, Zhuang Sen has not yet awakened, and he thinks he probably won't be able to, because he is a clone and doesn't have his father's Shadow Raven bloodline. As for his memories, appearance, and age, the situation is rather complicated.

Zhuang Sen's only hope now lies in the [Monster Girl Development System] that came with him from another world. Simply put, its ability is to help "monster girls" awaken and develop their bloodlines, and it will provide different rewards based on the development progress.

Moreover, unlike the bloodline awakening in this world, the bloodline users in this world are more like sorcerers who constantly excavate skills and talents from their bloodline, while the system's awakening directly changes the race.

Take Lamia, for example. While both are of Lamia bloodline, a normal awakening involves gradually acquiring abilities like [Venom] and [Serpentine Movement] as bloodline power increases, and it's very likely that one will never acquire all of these abilities. However, awakening through Zhuang Sen's hands results in directly transforming into a young Lamia, gaining all bloodline abilities. Of course, changing race naturally affects appearance, but in this world, advanced bloodline awakening does indeed affect appearance. This situation is actually a symbol of power and glory, a goal to be pursued, something some with weaker bloodlines cannot achieve.

Naturally, the system's method of developing bloodlines is also different from the normal one. You've never heard of dragons and dragon vein sorcerers growing up in the same way, right? Not to mention that the system also has the function of [bloodline conversion], which can replace the target's bloodline with a new one while retaining some of the original bloodline's abilities and attributes!

Imagine a vampire immune to sunlight and not needing to drink blood, or an elf as strong as an earth elemental...

Of course, the price was that Zhuang Sen couldn't just find anyone to help her awaken; it had to be someone with the qualifications to change races. After running through the entire Starry Night City, the best target Zhuang Sen selected was this nun who had been his doctor for a few days after he transmigrated.

Zhuang Sen looked at Dantalian. The nun had finished her prayer and was slowly rising, her graceful curves stretching out as she rose before disappearing back into her loose nun's habit. A hint of sorrow lingered in her gentle eyes, a sorrow that even a smile couldn't dispel. The beauty mark at the corner of her eye amplified this subtle sadness to its fullest extent, making one irresistibly drawn to her.

"Lord Johnson."

Dantalian approached Johnson, a fragrant aroma wafting from her as she spoke in a gentle voice: "May the goddess bless you."

“I’d rather have Sister Dantalian’s blessing than a goddess,” Zhuang Sen joked with a smile, then changed the subject before Dantalian could react: “Sister, do you want to awaken your bloodline?”

Dantalian paused for a moment after hearing Zhuang Sen's words, then showed a hint of reproach on her face: "Lord Zhuang Sen, please don't joke like that. I am just a commoner, I have no bloodline."

Zhuang Sen didn't argue, but continued, "If you could, would you want to?"

Dantalian shook her head slightly, somewhat helplessly, as if she were watching the orphan girls adopted by the temple being naughty again. She also gave Zhuang Sen patience and answered his question honestly: "Of course I want to. If the goddess could have one more bloodline, the temple would be in a better position."

"Bloodline of God" is the term used by various churches to refer to those who have awakened their bloodline, as they believe that bloodline is a gift from the gods.

"So, would you like to give it a try?" The reason Zhuang Sen chose Dantalian was not only because her bloodline was special and better met his requirements, but also mainly because she was currently in a predicament and was easier to persuade.

The Church of Nemesis is in decline, mainly because there are too few awakened bloodlines. In a temple in a large city like Starry Night City, there are only two bloodlines, making it difficult to even maintain the basic operations of the Church of Nemesis, let alone compete with other churches.

Moreover, the fact that only Dantalian possesses bloodline potential in such a large temple further illustrates the church's lack of talent... However, this is also related to the fact that they devote a lot of energy to taking in and raising orphans.

In short, as Zhuang Sen expected, Dantalian was indeed tempted: "Lord Zhuang Sen, you really... but why me?"

"Maybe it's because I like you?"

Zhuang Sen laughed and said that the nuns of the Furies do not restrict marriage, but they cannot continue to use their identity as nuns after marriage.

Dantalian's fair face flushed slightly, then she gave Zhuang Sen a rare glare: "Really, Lord Zhuang Sen, it's very rude to make jokes like that about women, especially older women! I'm almost old enough to be your mother!"

In fact, Dantalian is only twenty-six years old. She is not married because of her status as a nun. Saying that she could be Zhuang Sen's mother is a complete exaggeration.

Zhuang Sen didn't dwell on these trivial matters and changed his tune, saying, "Alright, then you can understand it as me saying that besides you, I have no other trustworthy targets. Who knows if they are my brothers and sisters' people?"

Dantalian pursed her lips, a hint of disappointment in her expression, but her face remained calm. She even joked, "Aren't you afraid that I might actually be one of them?"

"Then you were able to 'die from my injuries' a few days ago, Sister Dantalian. You're the person I trust most now." Zhuang Sen looked at Dantalian very sincerely and asked again, "So, Sister, are you willing to give it a try?"

Dantalian looked at Zhuang Sen, whose eyes were sparkling as he gazed at her. What she was about to say as a refusal turned into, "Okay, now?"

“If you’d like, my carriage is outside.” Zhuang Sen smiled sincerely. “After all, this is a rather special matter, so it would be best to come to my house.”

The author says:

Author's Note: New author, new book, please give me some feedback and encouragement!

Chapter Two: Bloodline Awakening

At the Temple of Aranta, an elderly nun and a young nun watched as Johnson and Dantalian walked out of the gate. The younger nun couldn't help but ask, "Bishop, are you just going to let Sister Dantalian and Johnson Leon leave like this?"

"If he can really help Dantalian awaken his bloodline, then what's wrong with us supporting him?" The highest leader of the Temple of Aranta smiled. "Besides, that kid Zhuang Sen's character is still trustworthy, after all, he comes from the Holy Eagle family."

The young nun nodded. She knew the bishop was referring to Johnson Leon's mother. Although this woman hadn't awakened her bloodline, she did indeed possess the blood of the Holy Eagle, a rare bloodline with healing abilities. If it weren't for this, how could Johnson, who hadn't yet awakened his bloodline, possibly be tenth in line to the throne?

……

"Lord Zhuang Sen, what is my bloodline?"

Inside the carriage, Dantalian asked Johnson a question out of curiosity.

This was nothing to hide, and Zhuang Sen immediately replied, "The Holy Lamia are said to be a race that is half-human and half-snake, skilled in magic, and you are right, this is knowledge that I brought from my mother."

Dantalian knew about Zhuang Sen's mother's identity, which gave her more confidence in his words and made her even more expectant. However, she suppressed her excitement and asked seriously, "So, Zhuang Sen, how did you discover that I have this... Holy Lamia bloodline?"

Bloodline detection is not easy, mainly because it's not universally applicable. The methods used to detect Shadow Raven bloodlines cannot detect Holy Eagle bloodlines. Furthermore, even if bloodlines are detected, there may not be corresponding awakening potions available. Therefore, knowledge about bloodlines is extremely valuable in this world, as it determines whether one can discover and utilize the talents within their ranks.

This is why Zhuang Sen prefers Sister Dantalian; because he has a mother with holy blood, it's easier to explain why he can recognize Dantalian's bloodline. Of course, he's actually relying on the system, so he can't reveal a real method right now. Fortunately, Dantalian isn't really asking him that—the nun isn't that shameless.

This is a sign that things have changed from private interactions to negotiations between powers.

Zhuang Sen was in a hurry, so he didn't bother with any more arguing and said directly, "Dantrian, if your Church of the Nemesis is willing to support me, I can provide you with twenty bottles of Holy Lamia bloodline awakening potions every year, charging only for the materials. For quantities exceeding this, you have priority to purchase them at market price. In addition, this is only for you. I can provide potions that can complete at least four awakenings, free of charge."

Dantalian was initially somewhat dissatisfied with the first part—only twenty bottles a year, enough for at most two people, and no testing method available, so they couldn't even actively screen the bottles. But upon hearing the rest, she was stunned.

"Four awakenings? This is a level four bloodline?!"

The nun's beautiful face was filled with surprise; her full red lips parted slightly, revealing even her pink tongue—a rather unseemly sight for a nun. However, even if word got out, no one would say anything, after all, this was a fourth-level bloodline!

In this world, bloodlines are also differentiated, divided into five levels. The level of a bloodline determines the upper limit of a person's strength, and a level one bloodline can never advance to level two. To put it simply, a bloodline holder below level three can never become a count or bishop, and a bloodline holder below level four should not even dream of becoming a duke or king. Conversely, a level four bloodline holder could very well become a grand duke or a patriarch of a kingdom.

Therefore, Dantalian's surprise upon hearing about the fourth-level bloodline is entirely understandable.

However, Zhuang Sen was not satisfied with this level and added casually, "In fact, this is a level five bloodline, but I don't have a fifth awakening potion."

This is a lie. The system may not use the segmentation quotient method, but that's what makes it believable.

Dantalian clutched her ample chest, taking a few quick breaths to process the shocking news. As for her dissatisfaction… she'd go back and give the bishop a thorough dressing-down!

Of course, this is on the premise that she can successfully awaken her bloodline.

As for now, she could only give Zhuang Sen one answer: "If what you say is true, Lord Zhuang Sen, I guarantee that the Church will fully support you."

The bishop of the Temple of Alanta was only a level three bloodline user. A level four bloodline user could become a patriarch and take charge of the church affairs of a kingdom. As a future level five bloodline user who could at least complete four awakenings, Dantalian's promise was undoubtedly trustworthy.

Zhuang Sen smiled and said, "It's a pleasure working with you."

The carriage stopped; they had arrived.

Dantalian was no longer in the mood to appreciate the luxurious manor and was eager to get down to business. Zhuang Sen was naturally happy to oblige, so he led Dantalian through the flower-filled courtyard to the ritual room prepared specifically for bloodline awakening.

The ritual room was a spacious room, sparsely furnished, filled instead with various magic arrays. Because the probability of bloodline awakening is so low, various mystical practices have emerged, and these magic arrays are one of them. They are said to increase the awakening chances and offset the backlash of failure; as for whether they actually work… even the church says they are effective.

The Church of Nemesis also offers such fashion items.

Zhuang Sen had no intention of slacking off any longer. He took out the Holy Lamia Awakening Potion that he had prepared beforehand and handed it to Dantalian, who was standing in the Nemesis Church's magic circle: "My unique formula, Sister Dantalian, not only will it guarantee your success, but it will also allow you to experience the feeling of your bloodline's true form ahead of time."

Dantalian took the potion. The clear glass bottle contained a milky white liquid mixed with a few traces of blood red. It looked quite ordinary, making her somewhat skeptical of Zhuang Sen's claims. She knew that some geniuses were indeed born with some of the true characteristics of their bloodline, such as a tail or horns, and some people would gain such special changes during awakening. But to say that there was an awakening potion that could provide 100% of the true characteristics of the bloodline, and even more so, would be a complete upheaval of thousands of years of history.

Despite her skepticism, Dantalian wasn't about to give up. She pulled out the stopper, and a scent like hot milk wafted out. Just that one whiff made Dantalian feel excited, like a starving ghost smelling the aroma of roast suckling pig.

Without further hesitation, she quickly tapped her hands a few times in front of her, completing her prayer to the goddess of vengeance, and then swallowed all the potions in one gulp.

The cool liquid flowed smoothly into her stomach, and the effects were quickly apparent. There was none of the pain that Dantalian had anticipated; instead, she experienced a sense of ease completely different from what she knew, as if she were soaking in a hot spring after a meal, feeling the hot water caressing every inch of her body, and also feeling every subtle change in her body.

Her skin, which had become slightly rough due to her long-term simple life, became smooth and delicate. The wear and tear from her work was quickly healed, her weak limbs became full of strength, and her overall figure even became a little larger. However, this did not ruin the nun's elegant and alluring curves. On the contrary, because all her parts were enlarged proportionally, it created an even more overwhelming and almost breathtaking charm!

However, it wouldn't be right to say there were no changes at all. Dantalian could feel that her legs had undergone a tremendous transformation. The originally tall, slender, and voluptuous legs had now joined together, transforming into a long, pure white snake tail covered with fine scales!

Upon witnessing this scene, Dantalian's mouth dropped open in astonishment once more, recalling what Zhuang Sen had said earlier: "The Holy Lamia are a race that is half-snake and half-human!"

She truly obtained the complete bloodline true form on her first awakening! Normally, only those with a level three bloodline can briefly change their bloodline true form! No, not only that!

The knowledge awakened from her bloodline brought Dantalian even more surprises. She discovered that she had mastered over a dozen abilities at once, including [Healing], [Poison Mist], and [Divine Physique]! This was simply impossible. It wasn't that no bloodline possessed so many abilities, but rather that it was impossible to acquire all abilities immediately upon awakening. This was something even level three or four bloodline holders couldn't do. After all, a bloodline is ultimately just a bloodline; what abilities one can extract from it depends entirely on individual luck and aptitude.

No, in that case, her physical abilities don't seem to be at the level that a Level 1 bloodline user should have... Although Dantalian wasn't a bloodline user, she had read a lot of books about bloodlines in the church, and by comparing the two, she found that she was clearly unusual.

Is this what a level five bloodline is?

Or is it because of Zhuang Sen's awakening potion?

Looking at her own snake tail, Dantalian felt that the latter was more likely, and fell into deep thought.

On the other side, Zhuang Sen was also deep in thought. Due to the change in his body shape, Dantalian's nun's habit had been torn into several palm-sized pieces of fabric, revealing large areas of her fair skin, which gave Zhuang Sen a feast for the eyes.

Zhuang Sen was only awakened when the system notification sounded:

[The Holy Lamia bloodline has been developed to the initial stage, the Lamia subspecies illustration has been unlocked, and the Unranked Angel bloodline*1 has been obtained.]

Chapter Three: Mother

[Rankless Angel Bloodline: The lowest-ranking angel, whose tender wings are unable to fly]

[Bloodline Limit: Level 3]

[Bloodline Abilities: Levitation, Healing, Purification, Dazzling Light, Dancing Light, Candlelight...]

[Convertible Bloodline Types: Angel, Winged, Holy]

This bloodline can be applied to any target.

[Note: Target qualifications will affect the success rate of adding and the way bloodlines are displayed]

Zhuang Sen was fairly satisfied with the reward he received. Although it was only the lowest level, the third-grade bloodline, it wasn't a bad thing. As the system's owner, he could freely modify his bloodline with 100% success, and he didn't need to worry about being gender-bent, because without that function, other men would only receive the same bloodline rewards as those in this world.