This Story is a Crossover of Kuroinu and Overgrown Genesis. If you don't know these two franchises, Kuroinu is a Hentai Visual Novel and Hentai Series, while Overgrown Genesis is an Eroge RPG Game.

The main character of the story is a Male Version of the Dryad from Overgrown Genesis. I don't know what Dryad looks like, Play the game, and you'll find out.

Also, this story contains explicit sexual themes, gore, and dark themes. If your age is below 18, I require you to leave and find another story to read instead of this one. But if you wish to continue to read this story, Just remember, You have been warned.

That's is all I have to say, and Enjoy the Prologue.

Disclaimer: I don't own Kuroinu or Overgrown Genesis. They both belong to their respective owners

- - Prologue - -

After the Kuroinu has taken over Olga's Castle. She along with her right-hand woman, Chloe, were sent to a confinement cell while the Mercenaries were celebrating their victory over their successful subjugation over the dark elf queen's castle

The latter rendered powerless when her magic was starting to decline her, and hope was lost. But then, Olga suddenly flinched when she sensed something from the lower levels of her castle, and Chloe took notice of her flinching.

"My Lady, What is it?" She asked, and Olga suddenly smile a little with relief

"We still have a chance against them, Chloe. A chance that will go against those dogs," Olga said, which made the former confused about her words, "What do you mean, My Lady?"

"In a lower level of this Castle, lies the ultimate monster that will surely save us from these barbaric dogs." Olga replied, and she continued, "And when it comes, Not only will we be saved. But we will reign over the whole continent of Eostia,"

"Are you sure about that, My Lady?" Chloe asked, and the former nodded, "Yes, After all... He is our last hope against these dogs."

Lower level,

Inside a dark room, Lies what appears to be a sizeable plant-like chrysalis and inside it seemed to be a humanoid plant, currently into a deep sleep as the chrysalis kept incubating for several more minutes. But soon, It's days in incubation has finally come to an end. When the person inside the chrysalis started opening his eyes and looks around.

Then the chrysalis started hatching, and soon his body fell onto the ground when the chrysalis was cracked wide open. The body's skin color was almost similar to tree vines, behind his back was a medium-sized flower, and his hair was dark purple along with the pupils of his eyes.

He then rises from the ground as he takes a few deep breaths and looks around his surroundings. Then suddenly, someone telepathically calls for him, "My loyal servant, Do you hear me?"

The male looked around again, in search of someone who had just talked to him. But he couldn't find her. Instead, he responded "I hear you, But I don't know who you are,"

"My name is Olga Discordia, Queen of the Dark Elves, and the one who brought you into this world." The humanoid plant rose from the ground and asked, "Where are you hiding?"

"I'm currently imprisoned in the jail cell at the upper level along with my right-hand woman, and if you come here and save us. Then I'll shall reward you with anything your heart will desire," She said and the humanoid plant puts this into deep thought on deciding whether or not he could accept her offer. But since he had just been born from the chrysalis. He made a stern look and replied to Olga, "It shall be done, My Queen..."

"Good, But you must hurry. Time isn't on our side right now," She said, and soon, the humanoid plant followed her orders and went to find the stairs that will lead him onto the upper level and save his Queen and Right-hand woman

Back to Olga and Chloe,

The two waited for something to happen. However, the cell door was opened by two of the mercenaries and had sickly looking grins on their faces and chuckles

"Time for you to go, little lady," One of the mercenaries said as he approached Chloe and grabbed her by the collar around her neck and soon dragged Chloe out of the cell and were about to head back up to meet up with their leader...

Until the hallway, they were about to go through, had suddenly blocked off by a plant-like wall. In which, stopped the mercenaries tracks.

Soon, they heard footsteps coming from behind, and everyone turned to the direction of the footsteps. As the footsteps were closing in on them, They saw a silhouette from the darkness and Olga smiled at the sight of the silhouette

"Finally... he has awakened," She muttered

Once, the silhouette had revealed itself. The two mercenaries, along with Chloe, were surprised at the appearance of the Humanoid Plant from before, and the expression he was giving was a deathly glare at the two mercenaries as they were roughly holding Chloe by her collar.

"Release her...Now..." He growled as he clenched both of his clawed hands at once and the two mercenaries had to back away from him and drew their weapons while one of them holds it onto Chloe's neck

"Don't do anything stupid! or I will kill this bitch!" The Mercenary threatens, and it appears that the Humanoid Plant wasn't affected by his threat at all.

"Hear me, My newborn Servant! You must save Chloe from harm's way at all close!" Olga ordered, and the Humanoid Plant obediently followed her orders as he steps to the right and places his right hand onto the wall.

"I said, don't do anything stupid! or I swear I will kill this bitch!" The Mercenary threatens again as the blade was inches away from Chloe's neck. The Second Mercenary tried to approach the Humanoid Plant carefully. But the latter did earlier, was that he used appears to be his newfound powers on the wall and vines popped out from underneath the Mercenary and restrained his movements while releasing Chloe from the Mercenary's grip of her.

The second Mercenary turns around, only to get stabbed from behind as he spews out a few amounts of blood from his mouth. When he looks down to his chest and saw a plant-like spike piercing through him, and he glances behind him and saw came from the Humanoid Plant's left arm stretched towards him, and the latter pulls his arm back and returns into its original shape.

The first Mercenary saw his comrade fall onto the ground and was immediately terrified since he couldn't move at all due to the vines wrapped around his body. Then Plant-like Humanoid had controlled the remaining Mercenary like a marionette, picked up the sword from the ground, and forced him to hold the sword upon his neck

"N-No! No please!" He pleaded, but the only thing he got from the Humanoid was a stoic look.

"Those who go against my queen..." He raises his left hand at him, "Shall be annihilated by my hand!"

Once the humanoid plant closes his left fist, the vines wrapped around the Mercenary forced him to stab himself by his own sword right through his neck. After that, the humanoid plant untangles the vines from the body and lets it fell on the ground with blood pouring out on the floor.

The humanoid plant then approaches Chloe, and kneels on her level "Let me help you with that,"

He grabbed onto Chloe's collar and crushed it with ease, along with the shackles from her wrists. Then he stood up and lent her a hand, at first, she didn't trust him, but when he killed the mercenaries and freed her from her shackles, she decided to take his hand and The Humanoid plant help her stand up from the ground

"Excellent work, Now free me from this cell," Olga ordered, and the Humanoid followed her orders, went to the cell door, and broke it by pulling it out of the way "Great work,"

"I live to see the expectations, My Queen. If you wish for me to deal with other intruders above. Then I'll do so without hesitation," He said, and Olga smiled in satisfaction about his loyalty towards him

"Very well, but first. I shall give you a name," Olga said, and The humanoid plant kneels like a knight. "From now on, your name will be... Thorne, My Great Champion, and Loyal Servant,"

When The Humanoid Plant, now named as Thorne, raises his head to Olga. His eyes and hair glowed in a darker color, and at that point on, Olga knew that he would become a great asset to her empire.

Throne Room,

Vault was waiting impatiently for two of his men to return with Olga's Right-hand woman. Along with his men and the orcs that formed a coup de' tat against the former queen

"Why are they taking so long?!" One of the mercenaries complained, and Vault was getting suspicious. But soon, he hears footsteps in front of him, and his suspicions were at ease when he saw three silhouettes approaching the mercenaries.

"Finally, What took you guys so long?" Vault asked as he stood up from Olga's throne approached the silhouettes. But he stopped when they didn't respond to his question, "Hey! Why aren't you answering my question,"

A few moments later, the silhouette on the left moves, but in actuality, the silhouette was thrown towards the Kuroinu mercenaries and reveal a deceased Mercenary with a big hole on his chest.

Vault and his men back away from the corpse in fear and turn to the other two silhouettes. When the two silhouettes revealed themselves, it was Chloe and Thorne while the Humanoid Plant was holding a severed head by his right hand and showing the vines from the back.

"Well done, Thorne," Chloe praised him, and the humanoid plant nodded to his head "Thank you, Lady Chloe, But I am far from over,"

"Who are you suppose to be?!" Vault eagerly asked while he glares at the Humanoid Plant.

"My Name is Thorne, you human scum. And I am Queen Olga's Newborn Champion and Loyal Servant," He introduced with a stoic look on his face.

Vault confused when he knows that every monster that was commanded by Olga had already joined his cause. But instead of thinking about it, He and his men excluding the mage wearing glasses laughed at him, and the orcs had participated in their laughter

"Really? You're the Queen's Champion? Then tell me, Why are you here for?" Vault asked with a cocky grin in his face.

"I live to serve my master and destroy all who go against her," Thorne said, then he glares at the Kuroinu Mercenaries "Including wiping out every last one of you,"

Vault kept his smirk up and raised from Olga's throne, grabs his greatsword, and points it at Thorne. "You got guts for saying those words, But you'll never get the chance. Kill him now!"

With Vault's order, His men, along with a few orcs charged at Thorne and Chloe. But the Humanoid Plant turned to Chloe and said, "Please back away, Lady Chloe. Let me handle this filth,"

"Okay, Thorne! Give them hell!" She said as she backs away for a few meters, and soon, the color of Thorne's eyes and hair had darkened, and the vines behind his back had tensed up as he was about to face his enemies.

The first ones to reach him were a group of five mercenaries. But Thorne turns his vines into sharp blades and used them to severe their heads and sliced their body parts into a thousand pieces in a split second. The second was the orcs, But Thorne uses his powers to creates large vines beneath them and stopped them in their tracks.

Thorne then started manipulating the vines around the orcs' bodies like last time and forced them to kill the other mercenaries. They either had their heads crushed, bodies smashed into the ground, or thrown into a column or wall like a rag doll.

Once the remaining mercenaries were a handful of people, including Vault and his Spellcaster. Thorne killed the orcs by clenching his fist, and the vines around orcs bodies crushed like crushing a skull with a bare hand.

The results of the battle were horrifying, The Walls and Floor of the throne room splattered with blood and guts of the mercenaries and orcs. Vault and his men were in complete horror when they witnessed Thorne killing every last attacker that goes against him.

"W-W-What are you?!" Vault asked, backing away a bit with his men following suit. As for the latter, he answered Vault's question with a cold look in his eyes "I am Thorne, Queen's Olga Champion, and as for you human scum,"

More of the vines behind Thorne's back had increased and were in a total of four to sixteen vines.

"You will all... Die!" He said and charges straight towards the Kuroinu mercenaries. But he was stopped in his tracks when Vault's Spellcaster, Kin, cast a massive fireball straight towards him and explodes upon impact.

Chloe gasped when Thorne got caught in the explosion while Vault smirks and turns to his Mage "Good job, Kin! Now we just have to deal with that bitch and move forward with our plans!"

"Understood, Vault!" His men agreed and charged towards Chloe, but much to their relief. A couple of vines had emerged from the ground and wrapped around the Kin's body, causing him to scream in pain as he falls to his knees.

Vault and his men gasped in shock, and Chloe was confused at first, but soon became relieved when she knew that he was still alive.

"That hurts... However, it's not enough to kill me," Thorne said, standing tall with a few burn marks all over his body, "But I am quite intrigued with your magic power, So I'll save you for something else,"

Vault and his men were in disbelief when they saw Thorne unaffected by the massive fireball. And most of all, They saw the burn marks from Thorne's body healing itself over time.

"As for the rest of you," Thorne said, and readied his bladed vines once again, "You're all dead!"

When Thorne attacked once again, the only sound made by Vault and his men were their dying screams as Thorne's wraith was massacring them.

- - Timeskip - -

Once Vault and his men had been dealt with, Olga reclaims her throne, and Thorne bends a knee before her.

"You have done well, My Champion. Not only you've freed us from our imprisonment, but you've also killed the scum that invaded my castle and the traitors that turned against me. For that, I owe you my gratitude," Olga said, bowing her head to Thorne with gratitude along with Chloe by her side

"I only do what you please, my lady," Thorne said,

then Olga turns to Kin, whose still alive and still captured by Thorne, and she asked, "But what are you going to do with him,"

"I have discovered that Vault's Spellcaster has some unique potential that could prove useful to me. With your permission, I will make some good use with his magic power," Thorne explained, which caught Olga's curiosity over the matter,

"Why would you want to spare this human?" Chloe asked, glaring at Kin,

"Because he'll become a useful asset to me and but to you as well, My Queen," Thorne answered

"And if he refuses to cooperate?" Olga asked,

"He won't refuse. Because I have a method that will guarantee his loyalty to us," He answered

"Can you demonstrate to us?" Olga requested, and Thorne nodded to her request, "Yes, My lady."

The humanoid plant then approached Kin, whose currently glaring right at him, and one vine from Thorne's flower appears and turned it into a needle-like appendage. He stabbed him by his neck while he injects something inside his body for a few seconds.

After that, Kin's body had tensed up, and he soon started screaming in pain and agony while the two Dark Elves watched in confusion and shock. But soon, Kin's body had undergone a tremendous change.

His skin color had become similar to Thorne's, and the same goes for the pupils of his eyes as they turn into the same shade of color, similar to Thorne's eyes. A few moments later, Kin lost consciousness, and the Dark Elves were curious about the Spell Caster's Condition.

But their curiosity was answered when Kin woke up a second later and this time. It felt like he was now an emotionless person and as he stares at Thorne with lifeless eyes. The latter soon releases the Spell Caster from his vines, and Kin stood up straight and glances at Olga and Chloe, which made Olga's Right-hand Woman tense up a bit and assumed that he was going to attack them. However, she was ignored when Kin turned back to Thorne's point of view.

"Come here at once," The latter ordered and Kin followed his order by walking towards the humanoid plant and stood beside him "Now, prostrate yourself to the queen,"

Kin did what he was told and prostrated himself to Olga, which made the Dark Queen Elf smile by Thorne's method.

"Impressive, You've given him something that changed both his body and mind, and he became an obedient soldier to you," Olga concluded, and Thorne nodded his head to her "Yes, My Queen. I used my powers to completely changed both his physical and mental state at the same time and made him an obedient soldier that only follows my authority,"

"You have a lot of promise, My Trusted Champion. However, this is only the beginning of our goal," Olga said, and Thorne became curious for the first time, and he asked, "What do you mean, My Queen?"

"Your first step as my champion was to annihilate the humans and monster that goes against me. As for your second step, You will be sent out to the castle and make all of Eostia bow before me!" Olga ordered, and the Humanoid plant bends a knee to her "Your wish is my command, My Queen. And I swore to you that I would not fail you on this task you've bestowed upon me!"

Olga playfully giggles to Thorne's resolve for the Conquest of Eostia. But she has high expectations for her Newborn Champion.

After all, All of Eostia will soon fall by his hand.

- - To Be Continued... - -

That's all I could manage for now, As for the First Chapter. I'll release it once I finished writing it. Also, I may not be a perfect writer, But I'll do what I'm able to do to gain people's interest in the story.

And one last thing, In this Alternate Universe. Vault and his men, including the orcs that join him, were killed, and the people who will get what they want is Olga and Chloe.

As for the rest of the girls... You'll know soon enough...

That is all, And I'll see you guys in the chapter.