Hayato ga Iku

Akio is rescued by a mysterious boy while he is involved in a delinquent. The boy who disappeared without identifying himself was reunited at school the next day, but was again surrounded by a large number of students and taken out. Akio, who followed him, became close to the boy after seeing him repel the enemy with his masterful technique, but the troubles surrounding the boy, Hayato Nango, had only just begun... Hayato, a young boy who lives with his grandmother and is trained in martial arts, is in danger.