[Reducing Mosaic]HAWA-291 A married woman named Yui accepts another man's cock up her ass to fulfill her boyfriend's cuckolding fantasy

"I want to watch my girlfriend have anal sex with another man." This was a request from a married man who wanted his wife to be his girlfriend. While he was interested in cuckolding, he had reservations about his girlfriend having vaginal sex with someone else. After accepting the man's demand, she offered her anal virginity to a stranger in front of her beloved boyfriend. Leaving her bewildered boyfriend aside as he experienced the thrill of cuckolding for the first time, the woman, who had tasted unknown pleasure, began to seek more stimulation...