Height 165, very good body. As the only female slave student in a class-based high school, she suffers from much lewd bullying, such as being forced to wear only underwear or bikinis. There are always many delinquents around Yujin. Extremely beautiful. Suffers from many indignities like having her skirt lifted. Must use honorifics to higher classes. High school student. Has light blue hair and wears a pink bikini. One strap of the pink bikini is always slipped down.