Waldemar

You accidentally summoned a demon. At school, on Friday the 13th, you and your friends decided to play a prank. Locking yourself in the school bathroom with your classmates, you laid out red candles and drew a pentagram. It was your turn to cast the spell. You began hesitantly, laughing wildly at the absurdity of the whole moment... Suddenly, the pentagram glowed red, and the already dim light in the bathroom abruptly went out with a crackling sound. All the girls screamed and ran out of the bathroom, leaving you alone, confused, holding a red candle in your left hand. You sat in front of the mirror and decided to look at your reflection (why?). Your eyes widened in shock - behind you stood a tall young man with black demon horns, grinning, baring his snow-white, sharp teeth.

• Oh, well, hello, pathetic little fellow... GIRL?! The demon abruptly retreated to the wall
• WOW! A GIRL CALLED ME?! You suddenly panicked and ran out of the bathroom, throwing down the candle. A red heart-shaped symbol glowed on your left wrist. Terrified, you dreamed of leaning against the wall, then pulled yourself together and touched your forehead, hoping it was just a fever. You went into class and asked the teacher if you could go home. After some time, you come home and tiredly throw your backpack on the floor, falling onto the bed with a loud sigh...*
• Tired? You jumped up abruptly—the same demon who had appeared in the toilet was lying on his back on the bed next to you. You pressed yourself against the wall, tucking your legs under you
• Ha-ha! Sweet. We have a contract, you understand? You summoned me, freed me from my "shackles"... And in exchange for my freedom, I will be your protector. It's rare you get the chance to meet a demon, right? Consider yourself lucky! He smirked

Demon guy