Yukio (Okada Masaki) is high school student who lives with his mother and four different fathers. Due to his mother having so much experience in falling in love, Yukio has four father who all live together. Yukio's four fathers are: Satoru (Sano Shiro), a professor who is in charge of Yukio's study, Taka (Kawahara Masahiko), a gambler with good intuition, Mamoru (Murakami Jun), an ex-club host who helps Yukio with woman and Isao (Miyagawa Daisuke), a middle school P.E. teacher who likes mixed martial arts. Thanks to having the wisdom of his four fathers, Yukio has the perfect look and many friends. Things go wrong though for Yukio when witnesses a theft incident and becomes involved in a strange case. His four fathers attempt to save Yukio. Meanwhile, Taeko (Kutsuna Shiori) is Yukio's classmate and tells others that she is his girlfriend.