MTL - Princess Medical Doctor - ~ 921 teamed up, the sound of the East

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!

Wu Chen traveled to a new world, but he is trapped on July 7, 2020!He indulged himself, did all kinds of evil things, ran away in despair, and even committed su*cide hundreds of times in all kinds of ways. But when the day ends, everything goes back to the beginning.While getting stuck in the repetitive days, he spent countless days learning and studying. And so, he has mastered hundreds of languages and can communicate with 99.9% of the world’s population. He is also proficient in all mainstream musical instruments, arts, dancing, performances, shooting and martial arts… In fact, he is comparable to a master in any and every one of them.In this way, he lived for a thousand years.However, when a new day dawns and the sun rises as usual, the date is… July 8, 2020!

Another entry in what you can call the Proto Harem Series: the books written before the Harem Series that take place in the same world.

It’s about a swordswoman whose student is captured, so she goes to rescue her.

The first part is finished, and the second part is starting. Two worlds of immortals and demons, and the boundless universe. This decides the tone of the second part!