A special Misson

Finally... Finally Wiliam was given the permission to punish Grell in the way he wants! The supreme always had done that before, but since their methods never had worked, they finally had given the black haired Shinigami the force of doing it. And now his dark side was showing up... After such a long time, he would be able to life out his sadistic side again and make Grell the polite toy he alway should have been... Also in this way, he could be near the person, he secretly admired so much. Even though he wasn't sure if the redhead would enjoy his treatment. (A BDSM Grelliam Fanfiction. Please don't be too hard on me, it's my first SM fanfiction i wrote. I hope you enjoy it~)