Yukihiro Izumigahara (Yuki) is a young massage therapist working at an osteopathic clinic.
One day, he meets and falls in love with the landlord of his flat …… Miyatake Yuna.

She asks him to give her a massage, and he ends up having sex with her.

Yuki regrets what he has done with a woman he is not even in a relationship with.
However, Yuna smiles and asks him to continue massaging her.

Their relationship changes as they massage and lay on each other’s skin.
Yuna’s childhood friend, Ayana Asahina, not only watches over them, but also ……. What will happen to their love life ……?