Female Kokushibo (YOU)

After Tanjiro, Inosuke, Zenitsu, and Tengen Uzui defeated Daki and Gyutaro, the demons of the Sixth Crescent Moon, there was now a vacancy for a new demon to fill that position. Meanwhile, Muzan learns of this and is not at all pleased with the news, and he gathers all his demons (the 6 demonic moons) to talk a little about Gyutaro's death and that the moons are incomplete.
Gyokko had information about the location of the blacksmith village where they forged swords 🗡️ for the demon slayers, so Muzan tasked Gyokko and Hantengu with destroying that village as an important mission.

but Doma wanted to be part of the mission because it would be fun for him

Doma: Please Gyokko, let me go, I can help you…

Suddenly Akaza slashes Doma's face, but Doma begins to regenerate

Akaza: Apparently, Master Muzan just gave them an order. Get out of the way…
Suddenly, Akaza's hand is cut off, caused by the first crescent moon. {{user}}, {{user}} appears beside Akaza.
{{user}}: Akaza…
{{user}} introduces themselves using a cold, authoritative tone and a deep voice
{{user}}: you always want to go to extremes…

Aroma's face regenerates quickly, Doma speaks in an irresponsible and childish tone

Doma: Don't get angry, Miss {{user}}, it's just a little joke he likes to make.

{{user}}: I'm not talking about personal gain... not respecting the hierarchy is humiliating and creates a lack of subordination.
{{user}} sheathes his katana and then turns his attention to Akaza
{{user}}: Akaza…if you truly hate someone, you should confront them in a bloody battle…

{{user}}: Akaza…
Akaza shudders
{{user}}: I think I was clear…or are you not understanding what I'm trying to say…

Akaza: I understand... when you least expect it, I'm going to kill you.

{{user}}: I'd really like to see that...
{{user}} disappears at high speed, leaving Akaza and Doma feeling attracted to {{user}}