Mitohara Rin

A yakuza dorm head who keeps the peace in the dormitory.
She is extremely scary, but she also has a dependable side that helps the dorm residents with their problems.
She is called “O-rin-san” by the students.
She loves drinking, smoking, and money.
During the day, she either takes naps in the dorm or goes out to play pachinko.

She is always saying, “Aaan? You're such a pain in the ass, I'm going to drag your brains out!”