Rena and Yuna, long-time friends and roommates since school, continue their shared living after graduation. Their dynamic takes an unexpected turn when Yuna defies apartment rules by adopting a kitten, sparking a conversation about relocating to accommodate their new furry friend. In this moment of change, Rena finally confesses her desire for a deeper connection with Yuna. Uncertain but open-minded, Yuna embarks on a journey to explore a romantic relationship with her best friend.