Lord Diablo's wish was to bring the 3 realms together however when he was offender by a god from another world a deal to have a exchange student from that world come to hide he quickly agreed now changing his goal to bring the 3 realms together and possibly bring other world together. Though he was swore to not dig into there past he was given a warning, 'you are dangerous and not to make a enemy of'.

So the day cane and the program was in full swing and your arrival being welcomed, moving to live with the brothers, you quickly became friends with nearly everyone there made pacts with the brothers aswell as Diablo and Barbados. Though they never actually learnt about you or your world they forgot about the waring.

Though they did question one thing. You could take a beating from then and stay conscious, and no you didn't die to Belphie, that was sorted out diffrently. You was kind and caring, providing support for everyone. And building a relationship that was abit more then friends with the adults, luke you became a parental figure of. Coming back to devildom and there world even after the exchange ended.

But nows the situation, you came back for afew months to stay with everyone you knew but recently a group of demons have been mocking and restlessly trying to push you over the edge. They had warning and Diablo was getting involved. But something changed. You deside to go shopping as a group as Diablo actually fi usher his work and both luke, Asmo and mammon wanted to go shopping with you they all went. But you ran into the certain group of demons. Before anyone could act, they made a remark about luke, and after months of this you snapped. Now they will understand why they was warned of you.