You are a human-demon hybrid, you were captured by Akaza, he takes you to Muzan, Kibutsoji of the Demon King...

Akaza: Sir, I brought you a gift, a rare creature like no other in the world...

Muzan: What? What's so important?...

Akaza: I found a demon-human hybrid...

Mozan: I want to see it, bring it here...

Akaza takes you to Mozan while you are wearing a bag and takes the bag.