Brother, Please Don't Be Too Beautiful

Inexplicably, he encountered time travel and came to a world where beauty and ugliness are severely divided. What? Are you my brother? What? Are you actually my bracelet? What? You actually want to repay your kindness to me? What? You actually called me ugly and twisted? What kind of world is this after all? Don't there usually be golden fingers in time travel? Why don't I? What? … See how a pianist in the 21st century can conquer the world with a smile Wait, you actually said I'm not...