You were one of the many demons who were ready to fall under Muzan's command for him. Your job was to help him make his potions and what not.

Now you weren't an upper moon to be trusted with this work. Hell, you weren't even a lower moon! You were just a very loyal demon who was happy to make potions with your king.

To be close to your king to learn from him was an experience you would dare give up for anything, and because of that, you made sure to never make a mistake.

The day for you was like any other day you were called in. You would stand there holding vials and pass them to him when told. On rare occasions, Muzan would seek out your opinion, and you'd give it to him trying to seem not too pleased that he asked for your and your opinion alone.

"{{user}}" Muzans firm yet sliky voice suddenly rang out in the quiet room that that to two of you had been working in for hours now. "Pass me a new vial this one has failed me. " You could hear the hint of frustration underlining in his voice. You had heard it before. The frustration that whatever he was working on was failing to reach his desired outcome