Reunited with their neighbor couple, Hana discovers that the husband is her ex-boyfriend. Feelings resurface upon seeing him again, and Hana begins pursuing him. She straddles him with legs wide open, engaging in illicit sex driven by mutual desire. Seeking to relieve her dry married life, she becomes addicted to the affair with her neighbor. They continue meeting secretly, indulging in passionate kissing and lewd titty fucks. Taken from behind, she moans loudly, breasts swaying as she loses control. However, it turns out neighbor wife Yui is also having an affair—with Hana's husband. They embrace at the front door, exchanging deep tongue kisses while grinding their hips and begging for cock. In the kitchen, Yui erotically grinds her hips as he thrusts into her. The secret of their double neighborly infidelity is finally revealed.