A character from The iDOLM@STER: SideM. He is a member of the idol unit S.E.M along with Maita Rui and Yamashita Jiro.
Michio is a stern math teacher who cares very deeply for his students, becoming an idol for their sake. At 32 years old, he is the oldest character in the entire iDOLM@STER franchise. He also has a younger sister.