Taking My GF to the NTR Brothel Wasn't a Good Idea!
At first, it was just a light interest... Yuu, who enjoys NTR, asks his girlfriend, Hayu, to go with him to a cuckold brothel on his birthday. She is reluctant to do so, but she has no choice but to go along with her boyfriend's hobby just once. --But she doesn't know that this is the beginning of her mistake.
(Source: Fanza, translated)
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