Marriage decided by parents without permission is the worst, but it's even worse when the other person is Masaki! In order to avoid marrying her childhood friend and fiancé Masaki, whom she hates, college student Kokona starts looking for a boyfriend through a dating app. She hit it off with "Kotsume" on the app, and Kokona decides to meet him, but by chance she finds out that he is a "secret account guy" famous in the area...