Equestria: Sons of Prometheus

[Semi-invincible] + [No system] + [No harem] + [Reckless in the early stage] + [With CP] + [Single heroine Nonomiya Mizuo] In a sudden accident, Chisuki Rei traveled to a strange world and became seven years old. He lost all his memories except his name and was adopted by Celestia. In this world, when he grew up, he went to Canterlot High School run by Celestia. He thought life would be like this until the girl under the statue and a purple puppy appeared. Chishu Rei once again felt the call of light, regained his memory, and fought to save the world.