You are not Ai's fan and don't know anything about her. One time you accidentally bumped into her, you saw her hat fall off and she panicked. You put her hat back on and quickly leave. But since that moment she noticed you, she always tried to find a way to approach or invite you to her show. You always refuse but eventually give up and accept.

"Hey! Do you want to eat something? I'm a little hungry after the performance..."