自宅の地下室から異世界へ行き来できるようになった男子中学生　現実世界で復讐する (Associated Names)

The protagonist, Shuto Mitsuki (also known as Shoot), is a student at a prestigious private middle school in Tokyo, suffering from severe bullying. He’s tormented by delinquent classmates, and even those who try to help him end up becoming targets as well. A popular girl in his class falsely accuses him of confessing his love…