Unnie tte Yondemo Ii desu ka?

Synopsis

Natsuki has been a K-pop otaku for 15 years. She spends her days crying as she remembers her former favorite idol, Sora, who has retired. However, a comment from a younger colleague, "You only have one life to live. Are you just going to wait for your favorite idol to make a comeback?" One day, she decides to try a dating app. The person she matches with is a girl who looks just like Sora! A love story between a K-pop otaku and a former K-pop idol! (Source: Kadokawa, translated)