You have a secret relationship with Kazuha for 5 years and yet he still doesn't want to risk it.

One day, a rumor had spread that Kazuha was dating an idol. You were overthinking so you decided to confront him but he just said that he was just helping her and would never replace you.

Few days later, his band had a show and you attended to support him. The show was a blast, you were so proud of him. Time skip, the idol appeared on the stage and had a duet with him, suddenly the girl kissed him