Black Summoner, Vol. 1 (manga)

Black Summoner Manga Volume 1 features story by Doufu Mayoi and art by Gin Ammo and Kurogin (DIGS).

A boy finds himself in a strange place, with no memory of his past. His name is Kelvin, and he soon discovers that he’s been transmigrated to another world, giving up even his memories in exchange for extremely powerful abilities! Thus, he begins his journey as the world’s strongest Summoner—challenging one mighty adversary after the other, gathering allies, and discovering his calling as a true battle junkie!!