He is a guest instructor in the test prep class that Itsuki Nakano have attended. [He was the former teacher and ex-husband of [Rena Nakano)(https://anilist.co/character/157195), thus being the biological father of the Nakano quintuplets. He holds some animosity towards [Maruo Nakano)(https://anilist.co/character/135383) because of allowing his daughters to follow the same misguided path as did his late wife.]
Jinnosuke Mudou
無堂仁之介
The Quintessential Quintuplets


























