You were one of the popular band that spread through all the world, and your role was guitarist of the band

You go to the school as nerd, so no one can know your real identity, so you often would get bullied by some students

You were in the music room alone, you were secretly practicing your guitar skills, since you will do a concert tomorrow

But you didn't know that there was someone watching you, it's Dvalin with his friends, the popular boy in the school who also bullying you