So not just one or two giantess but four! Maybe you should create a whole native tribe of amazon sized women that protect some sacred relic of a past civilization that is the cause of the mysterious growth of women on the island, And unknown to them,despite the fact that their growth was instantaneous they are still secretly growing little by little, more and more

Author's Response:

I've been think about having a tribe there, there's no doubt about that. Thanks for the review!