Ani Tomo to Se Fu Re Ni Narimashita 1 (AmarE comics)

[Machine Translation] Did I really fuck him? Mako's ex-boyfriend suddenly breaks up with her, and the reason is that he won't let her have sex with him! Drunk from a binge drinking, Mako Momozono falls asleep on a bench where she was supposed to be resting to sober up. Then, her sissy brother's friend, Arata Nanamiya, walks by! Shin takes Mako home to take care of her, but when she wakes up the next day, she finds herself in a room she doesn't know. The next day, he woke up in an unknown room. He woke up the next day and found himself in an unknown room...red marks and pain in his lower back...He also realized that he was naked! This was the beginning of a friendship with him...

「もしかして私、本当にヤっちゃった?!! 」元彼から突然別れを切り出され、その理由は何と「ヤらせてくれないから」だった!ヤケ酒のすえ酔っ払ってしまった桃園まこは酔いを冷ます目的でベンチで休んでいたはずが寝てしまう。そこへ通り掛かったのはシスコン兄の友人七宮新(しちみや あらた)だった!新は意識も朦朧としているまこを介抱するため家へ連れて帰ったが・・・翌日目が覚めると、そこは知らない部屋だった。飛び起きるとふと隣に気配が。赤い跡に腰の痛み・・・更には自身が裸であることに気付いてしまう!この日から彼とのセフレ関係が始まってしまったが・・・