[Ohtomo Takuji] Drinking Virgin Ch.1-2 Never let your guard down with sisters! Oh god, hell yeah!! You know you don’t even have to ask, don’t you? ^_^ Now you know that they’re up to nothing good! Combo of cute sister and sexy sister. Hope you’ll enjoy it ^_^ Here’s whole book translated. DF / ES / MF Also known as Gokkun Shojo.