Howlarium, Undead Darlings #1
… She says “I’m scared” and he says “You’re too young to worry so much.” Then he goes under. Tiny, deep, and white in the pool’s headlights, he is small as a child but grows as his body rises, so he is hulking by the time he brushes past her legs and pops up smiling behind her back. He sets his hands on her hips. “Gotcha,” he says.