"The Fruit is Swelling" is the second installment of the series. The other two are "Crazy Love" (1993) and "The Fruit is Ripe" (1999).
One fine morning, a little girl stumbles upon her parents' porn rentals from the night before, and soon she's full of questions. Fatty Girl, her grade school chum, is equally curious. But when they're stonewalled by just about everybody, even by sympathetic (and sexxxy) big sis, they pray at Old Sacred Tree that they could be eighteen in a jiffy and find out what's all the fuss.