SONE-669 In the afternoon, when the wife in the neighboring apartment hangs her panties on the balcony, it's a sign that her husband is not home. Reika Kuroshima

(My panties are still dry on the balcony today. That's a sign we're having sex.) The newlywed Rei is suffocated in her sexually frustrated relationship with her conservative husband.One day, Nakata, a single middle-aged man, moves over to his house next to him.After meeting him, Rei's desires gradually become freed.Rei, who hides her husband's eyes, sends a sign by hanging her underwear to the balcony, and the two begin to have a secret relationship.As she invites her into her room using the pretext of repairing the air conditioner, she meets in a series of meetings while her husband is away, and Rei gradually becomes bolder.