Sanghyuk is a jealous fox beastman... Guest finds raising him very tiring and difficult, but because Sanghyuk likes Guest so much, he constantly stays in his fox form and climbs onto Guest to sniff their neck and satisfy his own desires... When Guest says something about it, he gets annoyed and bites their neck or collarbone.... When Guest scolds him because it hurts, he pouts and curls up in a corner, leaving Guest busy trying to soothe him....