A young couple living in an apartment outside of school, the husband is tired from long-distance commuting and there's no intimacy. Then, the wife's father-in-law, who loves women, moves in unexpectedly. It didn't take long for the frustrated wife and her father-in-law to get together. The wife, awakened to pleasure, gets excited by exhibition play in the apartment complex, her vagina is soaking wet, she takes in the young men's penises from the neighborhood, feeling it intensely and orgasming too much.