Three Sentence Ficathon

(May I just say that you have some absolutely galaxy brain prompts?)

Belle was lounging on the beach reading a rather thrilling detective novel that she was fairly sure she'd already sussed out the end of when she heard a voice like the rustling of pages whisper "Leave your worries behind, and join me where you'll have to marry no man and can have your fill of ancient stories dredged from the deep." She tried to brush off the enormous request, but it wasn't speaking to the same conscious part of her as the book was--it was like it spoke directly to her fingers, which marked her page and set the book aside on the sand, and directly to her legs, which carried her to the edge of the sea and beyond, and directly to her heart, which thrummed with anticipation and simply believed without consulting her.

Mere minutes later, completely suspended in the buoyant saline, her lungs pulled in water that chilled her blood, suffusing her with a calm stillness, and her vision filled with a large, puffed-cheeked face bordered by decadent iridescent scales.