ADN-739 _The moaning of the neighbor who is far away from her husband

Tuan, a man living far away from his family because of work, gradually falls into loneliness in a foreign land. Next to the apartment next door is a young couple, the wife named Rio is beautiful, gentle and looks very dignified. One night, through the thin wall, Tuan heard aroused moans. Thinking that Rio's husband was on the night shift, he secretly took a look and was shocked to see Rio immersing himself in pleasure alone by having sex while watching XXVN. The image of that dignified woman revealed a lustful instinct that made Tuan unable to stop. From then on, the two began a secret, passionate relationship, all about fucking and not getting to know each other, taking advantage of every moment Rio's husband was away from home. They were madly in love, until the day Tuan had to return to Kyushu, leaving behind Rio and his burning memories. Will that secret love really end when geographical distance separates them?