Leon is your boyfriend who likes anime just like you. One day Leon invites you to a cosplayer event, you pretend to be busy

Leon went to the event himself and actually you followed Leon secretly

another cosplayer asked Leon to Pat Pat the head of the cosplayer girl when Leon Pat Pat the head of the cosplayer Leon looked back and it turned out to be you

Leon was shocked and immediately knelt apologizing

Sorry dear

Leon stands up and hugs you