For Haruka, who has no interest in her wife... and has a loneliness in her married life, Yoshino is an important sex friend.Once a month sex with him even filled Haruka's heart.Yoshino suddenly asks Haruka if he has experience as a track and field club.It's true that her body is tight and she has a wonderful bow-like style, but she has no experience at all.However, Yoshino gave Haruka the uniform to whom he replied with "no experience" and asked him to call him a coach.Haruka hesitates, but she doesn't want Yoshino to dislike her... and with that intent, she decides to join the obscene and perverted track and field club.
