Mayu, a married woman living with her husband who is a germaphobe, is troubled by the indifferent nature of their relationship, with neither kissing nor foreplay. One day, a welcome party for new employee Keisuke is held at their home. As the drinking continues, Mayu passes out and falls asleep...only Mayu and Keisuke are awake. Frustrated, Mayu drinks too much and becomes completely drunk, and starts complaining about her husband. "Why doesn't my husband kiss me...?" Hearing her words, Keisuke couldn't help but capture Mayu's lips. Since then, the two have not been able to forget that passionate kiss...