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!!