Des：Its been almost a year since we started dating my girlfriend...but in fact, Jibun ended up having sex with her mother without telling her... I guess it all started before Hitotsuki... When Jibun visited her while she was away, her beautiful mother kindly welcomed him... While spending time alone with her, both Jibun and her mother are starting to feel more and more like a man and a woman...without telling her, they have forbidden sex...