Mark Lee and Kang Mina were friends since they met during school. During their graduation ceremony, they met up and celebrating each others' success in school. Now, they become idols and also MCs for Music core. One day, they began to develop feelings for each other and tried to cherish their moments. However, it wasn't that simple. Delusional fans and past dating scandals gets in their way. Will they ever make it together despite all the obstacles and challenges they face?