Ryota brings home his senior colleague Konno, who he became friends with at his part-time job. - Ayaka's mother, Ayaka, is relieved to see her son, who had never brought friends over to the house, open up to Konno, but... - One day, a while later, Kono appears while Ryota is away and says something shocking to Ayaka. - "Auntie...you're lonely, aren't you?" Ayaka becomes upset as she realizes that she's comforting herself because her husband tends to be away every day. - However, her unsatisfied body cannot resist the lust of the young and strong Kono, and she drowns in her instincts.
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