A married woman received a duplicate key and lived alone in a room where a male student was repeatedly ejaculated inside her before graduation. JUQ-805

One day, Arita, who lived alone, met a married woman named Kana at a nearby bar. He ended up drinking with his girlfriend, who was distraught over her marital problems, but...afterwards, he and Kana became friends, and unknowingly, they began to have a physical relationship. Arita gave Kana a copy of her house key, and when her husband went to work, Kana began going to Arita's house with shopping bags. Then, seemingly to alleviate her loneliness with her husband, she began spending a lot of time in her younger boyfriend's room...