I Am God: If You’re My Brother, Come and Chop Me

A gigantic light sword pierces Blue Star, ushering in a new era. Animals mutate, and humans gain Soulbound Spirits. The genius youth Fu Fan was crippled by the System. Only after he swings his blade a million times does the real System finally awaken. A Fei teaches him patience, waiting, and how to strike for the kill; Tanjiro teaches him breathing, fighting with all his might, and never giving up; Zoro teaches him rigorous training, sharpness, and Three-Sword Style; Sasuke teaches him Chidori, the Sharingan, and Susanoo; Ichigo teaches him release, Hollowfication, and Getsuga Tensho; As he grows stronger, he discovers that he was a god all along, and the brothers he leads are supposed to kill none other than him.