Nanako started living together with the intention of getting married. - His younger brother, who was a good friend of mine, was also living with me. - One night, she allowed her body to be raped by his younger brother... They both wanted to "forget about this" and wanted to avoid making him sad, so they tried to break off their relationship, but they ended up falling in love. - My brother commits the crime again. - Nanako knew it was naughty, but the intense sex made her cum and she fell. - Two people who are not supposed to be connected end up repeatedly ejaculating each other as if devouring each other raw...