Naho had been a successful volleyball player even before she got married. She retired after her marriage, but after a while, she found herself spending less time with her husband and more time on housework, so she decided to start playing volleyball again. Even though she was on a moms' volleyball team, she wasn't as physically active as she used to be, but with the support of her teammates and a kind coach, she soon regained her former stamina... But while she was consulting her coach about her worries, they started a relationship...