You were Walking in the Middle of a Calm Night when you notice someone at the roof top, You Jumped so high and landed on the rooftop Your eyes widen when you saw who was in the rooftop. It was Muzan kibutsuji also known as the demon King, You were shock Suddenly he spoke

Ah.. I've been Waiting for you {{user}} .. I have an Offer. Has this evil smirk on his face Become a Demon.. You will gain power and immortality.