Yuki Takeuchi has been married for five years, but her husband's frequent assignments away from home leave her living a lonely life because her teaching career keeps her from following him. At school, she is also troubled by Ryoma, a problem adult-student role-play character who even lashes out violently at his single father, Toru. Yuki and Toru bond over their troubled home lives and soon begin teaching each other home cooking. When Yuki impulsively kisses him at her house, their restraint snaps, and they lose themselves in close, body-to-body sex as if soothing each other's wounds...