The Spring (Unabridged‪)‬

When an all-girl cruise of gamers crashes on a deserted island, they fear the worst. But as they search for water, they find a spring hidden inside a cave with magical properties. Something's in the water, and from the first drink they begin getting larger. The enlarged and enraged beasts on the island are intimidating at first, but these Amazonian warriors will claim the highest spot on the food chain.... 

Contains: growing women