With her beloved boyfriend studying abroad, Sana finds herself in a long-distance relationship. With her temporary employment contract and apartment renewal due at the same time, she decides to start afresh and look for a new place to live. One day, a share house in the suburbs catches her eye. The owner immediately takes her to inspect the place, but the house is deserted, and the suspicious atmosphere makes Sana feel uneasy. She accepts his invitation and has dinner with him, but then she suddenly loses consciousness. The next morning, she wakes up still restrained...

Mizuno, the former ace of the weak baseball team, Samejima Dolphins, got divorced due to an elbow injury and his ex-idol wife's infidelity, and now he lives in the second team and is rumored to be a burden to the team. There are female fans, "farm girls," who support Mizuno and other second team players. Among them is Yuko, who is famous for helping players get promoted if she takes care of them. In fact, Mizuno is the first baseball player Yuko fell in love with. She does everything she can to help Mizuno get back on the mound of the first team, but...