Mako supports her husband, who is an advisor to the track and field team. - One day, he takes care of an injured club member, Takeda, at home, but... - Takeda, feeling a secret desire for her body, takes advantage of the opportunity to forcibly approach her. - Mako, who had not had sex for a long time, could not refuse and gave a blowjob, saying, ``I can't have sex, but other than that...''. - She sucks the youthful dick in a daze, and before she knows it, the feeling of her mouth being fucked takes over her. - And in the name of supporting the track and field club, the behavior escalates...