Kendra decided secretly that once she got her Human legs back she would feed Essandra's obvious horniness. They made it to her house and Essandra jumped from Kendra back, "Be right back" Essandra said, she ran in her house and came back a moment later with a small vial, "For a full week this will let you change between your two forms completely at will." She explained, Kendra nodded, "How much for it?" Essandra grinned, "You're straight to the point aren't you? I want to eat you out in centaur form" Kendra sighed, "That's reasonable I guess." Essandra giggled with joy and dove straight under Kendra and got straight to work. Making Kendra moan immediately
***
Essandra finished and handed a now panting the Kendra the vial. Kendra injected the formula and slowly her cenatur parts returned to their normal human state. Essandra smiled at the normal Kendra body, "You're really sexy. Come to my room and we'll get you some clothes. Kendra followed Essandra into her room.