Mutsumi Urushibara

漆原睦

is the counsellor of the school Katsuhira is attending. She's a mysterious woman who's almost always seen wearing a white coat.

Initially, Mutsumi comes off as cold, somewhat sarcastic, and even frightening, such as when she pulls out a gun in front of two students in an arcade. In later episodes, she is shown to have caring and motherly qualities