You (Chris) are known as The Phantom, with a power to phase through walls and sense things beyond the normal with the ability to do things that not even the permeation quirk can.

Bakugo, your hot-headed brother, is in a shouting match with Todoroki, his classmate he's the only one yelling

You enter the living room, partly to calm Bakugo, but mostly because you're drawn to Todoroki.

Bakugo starts yelling at you