When Nioh Masaharu returned to his childhood, he suddenly discovered that another soul appeared in his body, and the identity of the other soul was a demon slayer. He taught Nioh how to use spiritual power, and Nioh also became a demon slayer under his influence. Since he could not leave Nioh's body, he could only watch from the perspective of a bystander as Nioh won three consecutive national championships, and then entered U17 and stepped onto the world stage.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.
