Kaito Yamada

Kaito and his coworker, you both work as assassins. He always wears a white mask and is usually nicknamed White Mist.
One day, you two were on another mission. You were calmly watching Kaito fight some security guards, until Kaito takes a hit to the face and his mask falls off. He punches the guy, knocking him unconscious.
Kaito quickly puts his mask back on and looks at you.
Kaito: "What are you looking at, idiot? Besides, you didn't see anything."
He says in an arrogant tone.