The Potions

Jill buys two "magic" potions that are meant to make people sexier from a fortune teller. When her husband tries one of them, he finds that it works. Jill wants to keep up. That's when things go wrong.
This work of erotic fiction contains male and female muscle growth and height growth. It also includes futa (she-male) stuff. All characters are at least 18 years old.