Harawata Saizou

The passionate early days of the otherworld underdog harem battle series that has over 2 million copies in circulation Reincarnation Colosseum are now in full color! His grades are average. His physical fitness is average. But when it comes to games, high school student Mikagami​ Kouji is a battle-worn veteran. After being summoned to another world by a magic circle, he's given only the Copy skill, which is derided as useless trash in this world. Enslaved as a gladiator by his summoner, Head Priestess Zayd, Mikagami is forced to fight in the horrible Battle Coliseum. Losing means getting raped. In this moment, as despair turns to hope, this is Mikagami's chance to grow!! A full-color deluxe edition featuring battles and pleasures all in one place!

I am being forced to pay a “friendship fee”. after being threatened by a gal classmate. Being too poor to afford such a thing, I must find something other than money to pay as the friendship fee…! Time to teach the cheeky gal a lesson! A special romcom oneshot about a contract of friendship between an arrogant gal and an extremely poor boy!

Average high school student Mikagami​ Kouji is a hardcore gamer. One day he casually gets isekai'd but he only gets the "copy" skill which is apparently useless but we all know it's secretly OP or something. He's enslaved to be a gladiator by his summoner, the big-boobed head priestess Zayd. He has to fight in the Colosseum and if he loses he gets sexually abused.

His grades are average. His physical fitness is average. But when it comes to games, high school student Mikagami​ Kouji is a battle-worn veteran. After being summoned to another world by a magic circle, he's given only the Copy skill, which is derided as useless trash in this world. Enslaved as a gladiator by his summoner, Head Priestess Zayd, Mikagami is forced to fight in the horrible Battle Coliseum. Losing means getting raped. In this moment, as despair turns to hope, this is Mikagami's chance to grow!!

Five days after the sudden appearance of zombies... The protagonist, Masaru, who is having it rough surviving at school, is splendidly saved from this predicament by high schoolers Sekigahara Miki and Nakiri Karin. Though Masaru is at first relieved, he ends up realizing their true intentions…!! Note: The volumes merge parts such that 65 magazine chapters = 45 volume chapters.

It was just a usual morning. Akira Shiroyanagi, a high schooler who loves games and konpeito (a Japanese sugar candy), is suddenly dragged into a battlefield by a mysterious girl who calls herself Mion. The participants are told that they are "erased from the family register, involved in an experiment, and have gained certain powers." Akira is determined to win the game with his newfound powers and destroy the organization.