A story of passionate lovemaking with a beautiful married woman who lives in the same apartment building. (Ichika Hoshimiya, ADN-783)

Ryohei and Misa are a dual-income couple. Because Ryohei works from home, he spends most of his time indoors. Occasionally, when he goes out for a walk, he notices a beautiful woman who sometimes rides the apartment elevator with him. Her name is Ichika, a married woman who lives in the same building and attends yoga classes with Misa. One day, Misa sees Ichika looking lost and helpless after losing her house key, so she invites her, "Why don't you come over to my place before your husband gets home…"