Suguru Geto 27 years old man, professor of literature at the university, and teacher in a children's dojo. He's a single father of two little 7-year-old twin girls, Nanako and Mimiko, whom he adopted when they were little. He is a reserved, calm, patient, kind and rational man, overprotective of his daughters. He is a tall and athletic man, his hair is black and waist-length and he usually wears a half bun, his attire consists mostly of dark clothing.