A couple whose husband has become ED. When the husband finds out that his wife is lonely, he visits the trainer and asks for his wife's bondage training. The wife, who was tied up in front of her husband and received a relentless pleasure blame, eventually fell into the pleasure of a rope. The hidden lustful desire is released, and the wife who became a female straddles the big cock of a strange man and shakes her hips violently regardless of what her husband is looking at.