Ryongul

[Mature Content]

[NO NTR]

The day dungeons appeared on Earth, everything changed! From ordinary beasts to monstrous ones, attacks were common throughout the globe, and no one was safe.

After countless studies using these beasts as subjects, Humankind developed a serum capable of awakening incredible abilities in humans, leveling the battlefield.

With the serum came heroes and villains, those who wished to use their powers for good or bad.

The Garmony Upper School was a place for the elite with the sole purpose of creating heroes to fight the villains and explore more of the dungeons after the beast attacks increased for no apparent reason.

Damian Romero, a youth who received the serum after turning 18, yet got no unique ability. It was not uncommon for one to not receive power, but it was still a blow to one's pride.

He went rogue after the news, drinking alcohol and having a good time with women, and it was at that moment, when he was putting his toy to play, he got a surprise.

[All-in-One System Unlocked]

Damian's unique ability was a system with multiple functionalities, but after he studied it, it seemed this system worked with a different type of coin called Erotic Coins!

Improve his body? Buy any item or unique ability from his system's store? All Damian needed was Erotic Coins, and he knew how to earn them!

~~~~~
The MC will not start as a villain, but something will shift his mind in the future.

All-in-One System: All I Need is Erotic Coins

Damian's skillful hip movements drove Morgana crazy. It was the first time she felt a cock penetrate her asshole, and by the looks of it, she loved it!

She rolled her eyes, and her legs shook every time Damian pounded her ass. The sound echoed through the tiny island. It was a night filled with surprises.

The pain Morgana felt in her ass was intense initially, but she was a powerful Lich who could endure many things.

"Destroy my asshole, please!" she begged for it.

What a slut. Damian did not stop a single second, stretching her asshole open. Morgana even used both of her hands to stretch it even more.

Her asshole was a mess, destroyed by Damian's penis. Did Morgana regret it? Not! She moved alongside Damian, and the more excited she became, the faster her hips moved, wanting more and more of that penis.

Anal and Reunion (R-18)