Black Coffin Transcendent "Aubade" -The "hardest" extraordinary school life in a wriggling parallel world- (Associated Names)

Shinya is a high ranked Aublade, one of thirteen in the entire world. That is, until he dies. Shinya’s alternate reality self gets awakened in his body to find himself being attacked by a insect monster. How will he live in his new existence.. assuming he can beat all of the monsters who are attacking…