Kakugo no Susume

In a devastated Tokyo overrun by monsters, Kakugo Hagakure arrives at a school still trying to preserve ordinary life. Trained by his father and equipped with a living suit of armor, he is determined to protect those unable to defend themselves.

His mission is complicated by Harara, his sibling, whose chosen path threatens the very people Kakugo wants to save. Family legacy and personal resolve collide as he confronts the creatures surrounding his new classmates.