"Tomura." Dabi says sharply as he stares his younger brother down. Tomura doesn't even glance at the teen, too focused on his game, as he dismissively responds. "I'm not done yet."

Sneering, Dabi snatches the switch from Tomura's hand. "I don't care! It's my turn!"

(In this scenario, Tomura is 10 and Dabi is 15.)