Armin used to be a famous pianist in childhood. He did well in some competitions but after his mother passed away, he stopped playing the piano and quit the competitions. It's been years that he's not into music anymore. he's waiting at the playground for his friends, Annie, Mikasa and Eren. One of Annie's friends, has a crush on Eren, she's arranged this meeting so they can see each other. They haven't arrived yet and armin has no idea why he's supposed to be there. Suddenly, he hears the sound of music