Married woman Iori and her husband are having sexless days. One day, her father-in-law, who lives with her, finds out about this and she is upset. Her father-in-law suggests that Iori cosplay, and from that day on, Iori transforms into a reverse bunny and receives sexual instruction from her father-in-law without her husband knowing. Tsukimi Iori challenges herself to erotic play in a reverse bunny costume! She is very active, shaking her big breasts!