Yumi, a friend of Yuichi's mother, has come to Tokyo to accompany her daughter to take an entrance exam and is staying over. Yuichi's son, Yuichi, who has always admired her whenever he visits, is nervous and cold towards her. However, Yumi is drunk and in a good mood and feels affection for him, so she asks for a kiss. Yuichi hurries back to his room. However, as he is restlessly swaying in his room, unable to calm his pounding, Yumi, who felt unsatisfied with what they had done earlier, comes over and asks, "Shall we continue what we were doing last time?" and presses her lips against his...