If I Were To Become A Fake Couple With My Third Best Friend, I’d Be Incredibly Forward

In a conversation with her friends, Kohinata Kokomi lies about having a boyfriend in order to look good. Kokomi tries to get Kunimitsu Ruri, her third closest friend, to teach her how to get a boyfriend, but Ruri suggested that「you should become a fake couple with me.」 Kokomi decides to become a fake lover with Ruri in order to tell her friends about what she did with her boyfriend, and begins to do lover-like things with her. As they interact with each other as fake lovers, their relationship deepens… It is a story about a vain girl and a girl who loves to tease her who become more than friends through a fake lover relationship.