During business trip Yohei Tanaka prays at a local shrine. Much to his surprise, his wishes come true. He wins some money at the lottery and cures his long lasting diarrhoea. His final wish also comes true. He is asked to direct a film.

Hachi, the loser in all the car races, was in despair. Though one day, editor of runner magazine, Okada came and recruited him. With the natural talent of Hachi and the knowledge of Okada, Hachi is getting stronger. His rival is now Kazutoyo, who is fully equipped with high-tech machines.

Ito is a second-year high school student and an only child who has to move to a different city; her mother remarried and begins her new life as an older sister of 4 siblings! The start of a family-love-comedy with four step-brothers!