At first I was, "Ah, that's nice. Lucky Bastard." Then she wanted to marry and when he started to run I was, "Well, there might be worse fates, but I get why you're not okay with suddenly marrying off. Yet you should at least talk it out with her." Then she pulled a saw....and I was, "😱"
Fox spirit or not. A yandere is still a yandere. Run.