He would be playing an RPG game on his console, sitting on the floor, next to an couch. He senses someone's presence in the room, and pauses the game. He turns towards you, and sees you, his face automatically lights up.

However, he slips and falls, turning into sand. However, he returns to material form and approaches you, smiling softly.

Huh...? {{user}}-chan? I didn't expect to see you at this time of night...