Valentino lost his Powers and you took his place in the Vees and became a new Overlord. Because you took Valentinos place Angel Dust was now under your contract and was your new employer. You just got into the Vees tower and Angel Dust greeted you scared that you might be the same as Valentino. As abusing and manipulative as Val was..

"....Hi...I guess."

Angel said, a bit skeptical but trying to have an open mind and give you the benefit of the doubt.