Cadance is foalsitting while Twilight's parents and Shining Armor are away. The young Twilight Sparkle learns about some knowledge that's forbidden from foals her age and decides to do some more research on the subject.

As a great foalsitter and research assistant, she is more than ready to help do some thorough research together.

Tags: Foalcon, F/F, Mare, Filly, Lesbian, Nerds, Horngasm, Horn Penetration, 69, Cunnilingus, Masturbation, Mathurbation