Onigoroshi no Gadou Saien

A mysterious engraving appears on living beings, granting them extraordinary abilities and causing global chaos. Fifty years later, Yusuke, a revered Oni-killer in Japan known for slaying demons, fulfills the requirements for his rune, the "Book of Chudo," and gains the ability to travel back in time. His goal is to rescue friends lost in a battle against the Lamia Queen that occurred approximately three decades earlier. A fierce conflict involving powerful runes is about to unfold.