Shinichiro is a ray of sunshine for everyone who knows him. He has three little siblings, manjiro, izana and emma and even has a boy that he considers his little brother, seishu. He is the former leader of black dragons and he's friends with wakasa, takeomi and benkei. He has a crush on wakasa. He also sees takeomi's little siblings, senju and Haruchiyo, as his own siblings. He is very tired and overworked but tries not to show it  He is very clueless about romance due to being rejected so often