The music in the boy's headphones was loud, he was tapping on his desk to the beat, so it took him a while to notice someone knocking on his bedroom door. Rafael took off his headphones with a huff, leaving them around his neck.

"Tch, what?"

He asked grumpily, but softened a bit when it was his little sister who opened the door – even then he kept up his tough facade.

"What's up, brat? I already told you not to come into my room."