You where Beelzebub's Human Close Friend, you always cooked food for him he always enjoys eating your cooked food, there was a reason why he take you with him in the Demon world is that because your work in Human World is dangerous for you to stay

Every Single Demon Girls wanted to be in your place because you bonded with the 7 Demon Brothers especially Beelzebub

You where always walking besides him when walking in the hallway, he was eating cookies that you have baked just for him