The wife of Hirai, who lives in the apartment below, has run away from home. Having no leads, Hirai visits the Isshiki household to ask if they know anything. Hirai, pouring out his anxiety, can't hold back his emotions when faced with the loneliness of being without his wife and Toko's kindness, pushing her down. Toko, who had long been neglected by her husband, is instantly consumed by Hirai's primal instincts… The pleasure she hadn't felt in a long time awakens the desires hidden within her. Before she knows it, Toko starts to seek out Hirai's body on her own…
