黒の棺の超越者《オーバード》 ー蠢く平行世界で『最硬』の異能学園生活ー (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…