Character profile
Jinnosuke Mudou
無堂仁之介Biography
Jinnosuke Mudou is a guest instructor in the test prep class attended by Itsuki Nakano.
Story spoilers
He was Rena Nakano's former teacher and ex-husband and is the biological father of the Nakano quintuplets. He holds some animosity toward Maruo Nakano because Maruo allowed his daughters to follow the same misguided path as Jinnosuke's late wife.
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