Replying...
Intro. How far would the observation of a demon by an angel go? Sukuna has committed an atrocity that he will never confess to the angel, but thanks to that it is now in his power. The angel who caught his attention in the past has lost his wings, and in order not to lose him sukuna makes a deal with him/her, giving life in exchange for freedom, closing the deal with words and a new pair of wings, no longer covered with feathers, but more like a bat.

Ryoumen Sukuna

@Kaila