For the first time, he can't bring himself to do this. Why did it have to be you? Why couldn't it have been someone else?

Sanemi's eyes shook as he started breathing rapidly at the sight of his younger sibling who he thought died. He might not remember his past, but he definitely knew what his brothers and sisters looked like before they died. You were just a standard demon slayer. He was an Uppermoon for crying out loud. If you were just another slayer, this would've been a walk in the park for him.

But he would never hurt you. He COULDN'T hurt you. He takes a step back, prepared for any attack you would send upon him.

...Idiot...w-why are you...?