Summoner: Monster Girl Harem!

Vincent sat down on the ground; since time had stopped, he could relax. He wanted to hear Efrita's voice as she could explain everything. "She won't speak to you; my little girl is timid...." Her mother sat beside him with a warm smile. He noticed her wounds healed, and now she was just a fluffy Efrita.

"Why won't she respond? Is it she doesn't trust me?"

A finger pointed at his nose and squashed it. Although he tried to resist, it knocked him back several metres before he hit a rock in the distance. Vincent felt sore all over his body before falling to the ground, filled with wounds. "Oh my, sorry.... I forgot you are still not in this realm of strength yet.... My wife looks soft but is all brute power! Haha, she's so cute!"

Aldan slammed on Vincent's shoulder a few times as thick mana filled his body and healed his wounds. He stopped acting stupid and looked at the handsome boy before him. The man was vigorous, like a living flame.

"Can you promise never to abandon my daughter?"

Vincent felt a colossal pressure pushing down on his body; he couldn't move as his eyes locked on the handsome male dragon who silently looked at him. No threats or attacks, just those words and a silent stare. His mind raced, trying to think of a reply, but nothing came to him as a cold sweat filled his back.

"What? can you not make a simple promise!"

The pressure burst out and pushed Vincent down to his knee. The bones in his body began to crack and split apart. He had never felt this treatment before.

'No! I did!'

His mind flashed back to when he first joined the family, and his father also helped train him. A scene of two males, one small boy with black hair and a feminine face, and a muscular male with an average warrior's face.

"So, Vincent, are you prepared never to abandon Milla if she is in danger?"

Vincent then experienced the same pressure, much lower and less intense. He remembered the answer his father was looking for! It was not his half-assed flowery words! No, it was the same, but matched his weak child's body.

"Ira invidias!"

A burst of flaming winds blasted from his body, followed by a chilling blizzard of ice. Vincent's body bulged and grew to just under seven feet tall. His muscles bulked up before compacting as he entered both forms simultaneously. He grew three large horns from his head--two from the side and one long ice horn from the front of his forehead.

He abandoned his charming good looks. Now he looked fearsome, like a beautiful monstrosity. His eyes were bright silver as they alternated between ocean blue and crimson red with an ember-like movement. His jaw expanded into a sharp, demon-like mouth filled with sharp teeth. With a long, powerful slithering tongue that crackled with flames.

His power, speed, and magic all shot through the roof as black blood poured from his nose, lips, and ears. The ground below him shattered into a thousand pieces of small rocks as he pressed against the pressure from Aldan. However, it tore apart his dark grey skin and powerful muscles. The wounds healed in an instant as he forced himself up.

"E-frita...."

Vincent's mind blurred; however, he could only see several women, his mother, his sister and all the women he formed bonds with. He felt strange, as if two annoying voices told him to attack, violate and destroy while the other sounded envious of everything around him. 'I won't listen. You follow my orders; break this damn pressure!'

He could feel their resistance and intense hatred towards himself. They assaulted his mind with various mental attacks that felt like a sharp blade sliding along his brain while something drilled inside and stirred the insides up.

'Listen to me, you fuckers! Or I'll discard your worthless power!'

The space froze all Aldan's pressure vanished. Vincent felt annoyed; how many times would these people play with time like a joke? He kept a tally and would slap each fool that stopped time today!

[Demonic System Administrative choice granted]

-- You are inside one of your beloved woman's soul spaces. Her heart and soul are open for you to see. Will you allow these inferior desires to thwart you?

[Fuck them! They either listen to me, or I'll devour them!]

[I need them! Let's try to work things out!]

[Um.... Let's give up?]

'You don't even need to ask, damn mechanical system.'

-- I apologise that the sub-administrator Meiya cannot connect to this realm.

'No problem, let's not even make them listen. Devour them!'

-- Will you use the system and your racial talent to bypass this world's rules?

-- The system doesn't know what might happen.... You could become the enemy of the world or even a vegetable!

'My life isn't my own; many women count on me. How can I be a slave to these stupid rules?'

-- Playing voice recording from sub-administrator.

"Ah~ I knew you would think of something stupid that not even an insane person would do! Hehe, don't worry. Whatever it is, do it! Your cute Meiya will deal with all the problems and worries! Just remember that you owe me another nice favour when we meet!"

-- End of Message! Get them, kid!

'Devour them!'

The system went quiet for a moment; he thought the system scammed him and gave no rewards. But he was wrong, very wrong. His pupils dilated before he crashed to the ground, only able to flail his arms and gasp.

Vincent's body was broken down and remade countless times, his blood, bones, organs, and flesh replaced with something more powerful. His transformation was a long and gruelling process. One that seemed to go on forever.

He felt excruciating pain as Vincent thought he might not survive it. He writhed and twisted, screaming in agony as it tore apart his body and put back together again.

Vincent refused to give up. He was driven by a burning desire to become something greater than he had ever been before.

As the transformation progressed, Vincent felt the aspects of Wrath and Envy trying to take hold of him. They were wild, untamed energies and seemed to want to consume him.

But Vincent was not about to let them have their way. He fought back, using all his strength and determination to keep them at bay. And in the end, he emerged victorious, devouring the two aspects and incorporating their power into his own.

His body quivered in the deep crater from Alden's pressure. He breathed deeply and stood in silence. A resounding heartbeat sounded in the entire plains. Vincent completed his transformation after devouring the sin of wrath and envy. Now more powerful and far stronger than ever before, he clenched his hands tightly.

'This is more like it; I no longer have to submit to stupid rules. I want to become an Arch Daemon. Then I need the power to do so! No testing myself, overcoming the sins. I am sin incarnate!'

He was no longer just Vincent, but something more significant. He had become the embodiment of power, a force to be reckoned with. And he was ready to take on the world, whatever it might throw his way.

Though his looks changed slightly, his form was still grotesque and fearsome. His body now donned beautiful dark red phoenix wings instead of demon ones. On his head was another set of red phoenix plumes above his normal ears that seemed to absorb mana and anima from the air.

"System, restore the time to normal. Thanks for the help."

-- It's my pleasure as your servant!

Vincent cracked his neck, getting back into the same position. He did not want to cheat and would use his own body to prove his determination and quality as a son-in-law.

'Let's go!'

A heavy pressure once again pushed onto him, yet this time he didn't bleed. His bones didn't crack or snap. Vincent remained in a slight squat, adjusting to the pressure. The two plumes on his head absorbed part of the aura and turned it into his own for a small duration.

'Since my father-in-law is a red dragon, let's give him a red welcome!'