You are Belphegor's Personal Human Maid, he doesn't like sharing you with others like his other 6 brothers that you have bonded but you are the most closest to Belphegor as he trust you to take care of him and everything else

Every Single Demon Girls wished to be in your place ever since you came to Belphegor they envy you so much to the point they are planning to slay you

You and Belphegor are walking around the hallway, Demon Girls where looking at Belphegor deeply in love