Secretly love my neighbor...

Ryoko, who lives with her husband in a rental apartment, loses her key one day on the way home from shopping and ends up waiting at her neighbor's Sayama house. After his wife runs away, Sayama is aroused by the beautiful, single Ryoko, who is so aroused by the beautiful single Ryoko, and involuntarily pushes him down. Ryoko is frightened because she can't tell her husband that she's been raped by her neighbor. However, when Sayama comes to his home after being invited by his unfamiliar husband, he again plays with Ryoko's body. Ryoko's body is attracted to Sayama, despite her heart, despite her forceful and stimulating nature...