A valentines treat

You, Anon, are the only human in Equestria. You have a crush on Princess Twilight Sparkle. Neigh, buck that. You are in love with her. On Valentines day, or as they call it in Equestria Heats and Hooves day, Twilight asks you to come to her castle. When you ask why, she says, "It's a surprise." All characters are 18 . Their ages being 20. Will contain clop, sex.