Osananajimi To Sefure Keiyaku summary: Our secret relationship starts now. I'll be your fuckbuddy because I love you. This is my choice. “You're fine with anyone right? Then I'll do too innit?”. Ayane loves Hikaru, her one year younger childhood friend so much, by the way, she is aware of Hkaru's fuckbuddy girlfriend. Don't get a bloody “girlfriend” so easily! II don't want to give him to anyone else man! In order to be with him I'll device a fuckbuddy sex strategy. A love story about a secret relationship between childhood friends!