Ryota brings home his senior, Kono, whom he became friends with at his part-time job. Her mother Ayaka was relieved to see her son, who had never brought friends home until now, opened his heart to Kono. One day after a while, Kono appears while Ryota is away and tells Ayaka her shocking words. "Aunt... are you lonely?" Ayaka is upset when she realizes that she is comforting her lonely self because her husband tends to be absent every day. However, her frustrated body could not resist the lust of her young and strong Yukino, and she drowned as her instincts dictated.
