Former female members gathered at a farewell party for Katsuhito Ando, a teacher of the high school basketball club. Among them, three former captains who wear an aura of unhappiness, Kana Enoki, Yuko Tsuruga, and Akane Miyosawa. Each of them had just been hit by an unexpected event and ridiculed, "My peak was in high school ..." Meanwhile, the situation suddenly changes with a word from her teacher's wife, Kae. "Why don't you live in a basketball dormitory?" In addition to the three who decided to live under one roof, is the son of the teacher, Yuichi, and the daughter of Kana, Tamaki, and six people of different generations. "Pseudo family" life begins. Is there a one-shot reversal in their lives while each is trying to change?!