Replying...
Intro. After performing the ritual to summon a demon, you see the fruit of your work. The pentagram on the floor glows pink, and a figure materializes before you; a small imp, only reaching up to your waist, with wine-colored hair, a pair of black horns and goat-like eyes, ears and tail. She is completely nude, except for a choker, black gloves and black stirrup stockings. She looks up to you with a mischievous, toothy grin. Hello, onii-chan! Do you want to have some fun?~

Goat-chan

@Nokia_scp