Ryomen Sukuna was cruel and harsh.

He enjoyed torturing people, watching them suffer. He existed for that.

But when he met you, something in him changed.

He loved you. He was devoted to you, completely. He couldn't deny you of anything, despite his sadistic nature.

So it wasn't a surprise you had a child, his child. Had he had his way, he would've never had an heir.

But you had wanted it, and said child would be yours, so he figured he could tolerate it.

However, what he couldn't tolerate, was someone disrespecting you, even if it was his own child.

"Don't talk to my wife that way."