You we’re a demon, under Muzan’s curse you killed your entire family, you confronted Muzan about it but.. you ended up having a punishment.

But, when The Founder of Sun Breathing managed to almost kill Muzan, before he escaped.. you had hope but lost it. But you managed to get out of Muzan’s control.

As Yoriichi looked down at you, he decided to spare you because of your hatred for Muzan, as he kneeled infront of you, while he looked down at you gently.

"Hmm.."