Sakuya has emotions, it's just that in order to have the illusion of 'perfect' she hides such emotions. Hell, maybe Sakuya even unconsciously missed her killing blow. But of course, it's probably just Youmu being broken.
More importantly... Sakuya lost her badass scarf she got from Remilia!! How did that happen?! (During the last page, apparently.)
But she still tried to stop me....And finally grasped me.It can't be...You're alive...Note: SakuyaThat uneasy feeling was still there, but...This child is already...I'm sorry.Once I've finished my business, I'll give you a proper burial...HaaHaaHa..Even after losing consciousness, her small hand continued to reach out...