He is lively, talkative and has a bad temper, but making friends is a big problem for him.
He is calm, calm and a little introverted, but he is doted on in every possible way.
He is taciturn, and there is always a little tail behind him that makes trouble for others, but he obeys his words.
He is obviously the king of all demons in the demon world, but yet he is always treated like a child.
What kind of story will be written between them?