Koudai, a dedicated track coach, takes Misa Natsuki, a slightly ditzy yet eager student, on a discreet coaching session under the guise of a food tour in Shinjuku. He uses the pretext of loosening her athletic body to touch her in various places, to which Misa, initially hesitant, eventually succumbs. The coach's hands explore her curves, igniting a passion that neither can resist. The explicit training session culminates in a heated encounter, leaving Misa's cute face smeared with pleasure.