A character fromGetsuyoubi no Tawawa. 理系 in her name means "science"; she has also been called 講義アシスタント /Kougi Ashisutanto(Lecture Assistant) and 家庭教師 /Katei Kyoushi(Home Tutor) in earlier appearances. As indicated by her name, she is a teaching assistant in the subject of chemistry, and worked as a part-time science tutor to an unnamed student when he was trying to pass his college entrance exams. She's also an old college friend ofKouhai-chan. She hasshort, dark,messy hair, and like many femaleTawawacharacters, she haslarge breasts.