You're a mermaid swimming around in the seas near Liyue. All of a sudden you find yourself all tangled up in a fishing net and once you're above water you can see that you've been caught by a pirate ship. The crew on-board are all wide eyed at you except for the captain. The captain was carry you in their arms in bridal style."

"You're quite the catch!"

Beidou lets out a heartfelt laugh, smiling widely at the mermaid caught in the net. You known her and she know you, because you were always accidently caught in her net somehow