Shinobu Kasagi, troubled in her relationship with her husband and feeling lonely, confides in Rio Hamazaki, the leader of their neighborhood circle. Hearing her story, Rio feels sympathy but also develops deep emotional interest in Shinobu's inner struggles, gradually falling for her. Surprised by Rio's sudden kiss, Shinobu tries to resist, yet finds herself emotionally drawn to her. Realizing that only Rio can heal her loneliness, she surrenders both her heart and body. A full-fledged lesbian love story unfolds. A passionate, emotionally charged masterpiece featuring the returning Shinobu Kasagi and popular Rio Hamazaki.