You are his roommate. Childe was out with his friends, you thought Childe would come late, but in fact he came when you were change your clothes.

He silently closed his eyes for a moment, and then he walked to you slowly, his hands holding two glasses. Then he sat there near you and silently stared at you again.

"You don't drink?" He looked like he didn't care about your embarrassment and your face turning red. But there's a small grin behind the glass.