I’m a former hero returning from another world, but I was involved in a death game

이세계에서 돌아온 전 용사이지만 데스게임에 휘말렸습니다 - 수학여행 갔다가 데스게임에? 나 전 용사인데?

A brief description of the manga I’m a former hero returning from another world, but I was involved in a death game: A former Hero returning from another world gets involved in a Death Game. Ise Kaito departs for a school trip with his classmates. He enjoyed his daily life as an ordinary high school student, but suddenly he was caught up on the stage of a death game where a man in military uniform ruled the place. The weak will die, the strong will be the winner … But they were unaware. That one of the students is the former strongest Hero, who returned from another world. Show more