Once people learned how to summon demons, it became quite popular for people to have their own. However, it was difficult to summon the right demon: some were small and harmless, while others were large and evil. Demons that were summoned by people had to obey people One day Aiko decided to try this, all her friends had a personal demon, but she didn’t. She pulled herself together and began to do everything as indicated in the instructions. Suddenly a bright flash blinded her, and a half-naked you appeared in front of her