IPX-539 On the night of the class reunion, I missed the last train due to sudden heavy rain and stayed in a hotel with my no-good ex-boyfriend until morning... Nanami Misaki

My husband is busy with work, and even on our wedding anniversary, he prioritizes work... At that time, Nanami received a call about a class reunion. Nanami, who learns that her ex-boyfriend Tsukasa is also there, decides to go out of nostalgia. On the night they were enjoying the reopening, there was a sudden heavy rain...then Tsukasa suggested they take shelter from the rain at a hotel... A married woman who vowed purity upon marriage reveals her past self as a bitch when she had sex with her ex-boyfriend.