SABA-573 The final sex act of an adulterous couple, each with their own fiancé, was filmed for an AV. A 28-year-old woman living in Kanagawa Prefecture who works as a librarian at a library in central Tokyo, named Nanami-san.

"Nanami" is a woman who usually works seriously at the library. She is asked to keep this love for the rest of her life with a man with whom she has been in a relationship until she is about to get married. Although she is fiancéed to each other, two people who really want to get married. The final crossing where fate separates the two. Exclusive distribution of forbidden images that continue to be kept secret even after marriage!