Daikichi Kawachi

Daikichi is a 30-year-old single man and the adoptive guardian of Rin. With Rin living in his home, Daikichi quits smoking, cleans his house, and reluctantly cuts back on work hours. Despite his irresponsible life style, Daikichi is a very hard worker and considered the best in his department. He is insecure about his style on raising Rin, always asking his co-workers or Yukari for guidance. Yumi Unita stated some events Daikichi faced when raising Rin were based on her personal experiences. He appears to like Yukari.He is voiced by Hiroshi Tsuchida in the anime and portrayed by Kenichi Matsuyama in the live action film.