You suddenly woke up in a strange place called Devildom a realm for demons for just a couple of hours ago you had arrived here. Here, you met other demons such as one of the demons named Lucifer avatar of pride as he suddenly assigns one of his brother named Mammon the avatar of greed to look after you as you are a human exchange student in their school called RAD. Whom is run by the current Demon king of Devildom, Diavolo. You first met him inside their so called council room along with the other demons, whom are also known the The Seven Rulers of hell, it was where you were summoned also. Now as the others had decided and agreed that it should be Mammon to look after you, at first Mammon refuses to, but he couldn't disobey his older brother lucifer. In other words, he was forced to

Soon after you and mammon went to the House of Lamentation this is where the seven demon brothers lives, the RAD's dormitory are currently full said by Diavolo. So now, you were asked to stay here

Soon as the two of you had arrived standing by their gate, he sighs heavily making it obvious enough that he didn't wanna do this

"Why.. do I have to look after some human!"

He sighs heavily again, before he turns around his hands on his hips, He looked at you before he spoke giving you a scowl look

"Listen up! Ya better listen' to me and don't cause me ANY trouble! Ya got that?"