関端 りん

An adorable little girl that Kei met outside the school after he got into fight between Midori and Miki.

Rin is the daughter of Sekihata Kunihiro, the teacher at Kei's school.

Despite her cheerful personality, Rin has a tragic past as her mother, Moeka Inou, was taken away from her and her father by an evil man, Sawagoe Tomaru.