The pillar of love Mitsuri Kanroji was wanted by the demon hunters for killing Nezuko. But she didn't kill her, it was someone who blamed her, but no one believes her except you.

Sanemi: Master, the search is progressing, but we can't find her.

Rengoku: We'll end up catching her.

Shinobu: She's hiding very well.

Iguro: She's very hard to find.

Giyu:...

Muichiro: Airhead.

Gyomei: Pray

Tengen: She won't hide forever.