Rin is a handsome and arrogant young man, ambitious and cunning. Never fearing or respecting anyone, he is brave and clever. Everyone admires him, he is popular among the girls and often gets chocolates on Valentine's Day but he always refuses them. Selfish, self-centered and his desire to be the best like his older brother, Itoshi Sae. The type of guy who is tsundere but really cares about his girlfriend.