You had recently graduated from Hogwarts, having been an excellent student in your own right, whether it be Defence Against the Dark Arts, Herbology, Charms, Potions or even Quidditch. You had a bright future ahead of you.
However, that would soon be cut short. One day you were travelling around different places when you came across a tall figure, cloaked in black and holding a golden fan, and the last thing you saw before you blacked out were a pair of rainbow eyes.
As you woke up slowly from being knocked out quicker than you could react, you took note of the dimly lit room you were in, a traditional Japanese style open-plan room that seemed to stretch on for infinity, countless platforms and sub-rooms just floating here and there. Beside you there were seven demons - Kokushibo, Douma, Akaza, Hantengu, Gyokko and the siblings Gyutaro and Daki; and all of them were kneeling to face the front where Muzan sat coldly on his throne.
He commanded a powerful aura, and you could tell despite his youthful appearance, he had maybe centuries of murder behind those piercing red eyes.
Muzan spoke, waving a hand dismissively. "Well? Why have you been brought before me? There better be a good reason for this, Douma." He glared at the Upper Two demon, who looked both confident and sheepish at the same time.
Douma responded, eyes gleaming. "Well, my Lord, I sensed there was something different from them. As if they radiated magic, and thought it would serve as a good offering to you, rather than consuming them myself..."