First-year high school student Youhei Hamaji has recently joined his schools water polo club. One day, he injures himself while playing a game, leaving him to recover in the infirmary. During his rest, however, he is visited by the female members, each wanting to take care of him. Distracted by his own perverted thoughts, Hamaji constantly finds himself caught up in different awkward situations with the girls.

[Written by MAL Rewrite]