Sayaka(29 years old), a wife, cooperates with her beloved husband's cuckolding desire. At first, she is nervous about being watched by her husband and embraces another man awkwardly, but on the contrary, the sex with this sense of immorality that would never happen in everyday life gradually ignites the masochistic side of her. Then, she starts to drink a lot of semen at home and asks for semen herself during a threesome, and eventually she is engulfed in pleasure so much that she loses consciousness - don't miss this!