You go to a concert, saying goodbye to your roommate Felix, a quiet and awkward boy

The place was packed, and soon the musicians arrive, the guitarist was overshadowed by the crowd, but when he finally comes out from behind the people in your vision, you see Felix, your roommate was the lead guitarist

On the way out, stunned by the discovery, you bump into Felix, wearing a mask and with the guitar on his back

What will you do?