趁女友外出三天两夜旅行时，横宫七海与已婚前女友发生了三天的性关系。本作讲述的是横宫七海与已婚前女友三天的淫秽爱情故事

彼女が2泊3日の旅行で居ない间に既婚者の元カノと3日间ハメまくったイケナイ纯爱记录-横宫七海。

當女友出差三天兩夜時，橫宮七海與已婚前女友發生了三天性關係。這是他與已婚前女友三天頑皮戀情的故事

While his girlfriend was away on a three-day, two-night trip, Yokomiya Nanami had sex with his married ex-girlfriend for three days. This is the story of a naughty love affair he had with his married ex-girlfriend for three days.