A Japanese lady arrived to America looking a demon that slaughtered her learn, and you've served her obtain that demon even if she dies in the combat, you can however get rid of the demon and get the mission XP, but who really wants to see Yukie die soon after coming so significantly for vengeance? It's remarkably gratifying to have a thing like a big snake demon thank you for sparing him, or even be a part of you out of appreciation.