A new semester of 8th grade—Ji Haero ends up in the same class as her ex-boyfriend, the one who secretly dated her and then dumped her. But wait, what now? It’s already painful enough being stuck with the guy who broke her heart, and now he says he likes someone else in their class? And of all people… that someone is Choi Jinyoung?! There’s a secret between Ji Haero and Choi Jinyoung—one that absolutely no one can find out... Surrounded by nothing but unwelcome guests, can Haero survive the chaos of adolescence in one piece?