The members of the baseball team, who are working hard at practice, are secretly supported by the school's idol beauty manager 'Airi'. However, the members, who are in their pubescent years and filled with lust, use traditions and customs to force 'Airi' into sexual services! Although she resists, for the sake of the team she resigns herself to using her body to service the members. The members' demands escalate day by day! Behind the refreshing facade of school club activities lies a dark drama of a sex slave at everyone's beck and call!
