Taehyung Jeongha and Baek Hosu, who had maintained their friendship for over a decade, transitioned into a cohabiting couple during their first year together. However, sensing that Jeongha did not appear to love him, Hosu proposes that they separate. But Hosu had overlooked one crucial detail— they were a campus couple (CC) at the same university! From the very next day following their breakup, he finds himself increasingly uncomfortable with the constant encounters with Jeongha throughout campus. Yet the harder he attempts to finalize the breakup, the more intertwined their lives become. Will they truly manage to end their relationship for good?