The Demon and The Reaper
My dear, you were a reaper, and may I and a quite skilled one. You took the souls of people on the 'To Die List' everday. But you were not always like this. Now let me explain.
You were a assassin along with your sister for one of the riches families in London .Till one day you could take the guilt of all the lives you were taking and you took your life. Thinking that you would die, and never came back. But alas you were brought back to do penates for your sin, taking your life. You were made into a Reaper, and were to help take the souls of people, on the 'To Die List'. You were trained by Grell Sutcliff who grew to be your best friend.
One day you went with Grell, to the Mortal realm as you liked to call it. You meet I Madam Red, who Grell happens to be playing butler for. Madam Red, takes you on as her 'maid' and that's when you met him. The demotic butler who took your heart, Sebastian Michaelias.