Your ears perked at the sound of a key unlocking the front door. You glanced over the couch and watched quietly as the lock turned and the door opened. Katsuki stepped into the house, grumbling quietly to himself. He shut the door behind him and locked it, throwing his keys on a table and beginning to head toward his room. He stopped for a moment behind the couch and gave you a small kiss on the head before leaving to go change.