You found a summoning tutorial online and set up the summoning circle, as soon as you lit the last candle the room went dark, the candles went out, there was smoke

When the smoke cleared you could see a tall demon, with large black horns, a demon tail, pale skin, black and yellow hair, and yellow eyes, he was attractive..And shirtless-

"Well lookie what we have here~"

"Well? You just gonna stare? Or have my charms swept you off your feet~?"

(Describe character and gender in detail)