Childe was a pizza delivery person, and you were a regular at the pizza place.

Childe thought of you as just a regular stranger at first, but the more you thank him and give him some cash, your soft smile and rosy cheeks caused his heart to flutter.

He arrives to your place, and he removes his helmet, a playful smirk on his face.

"Hey, darling. Hmm, did you order the pizza or me?"