The dog and his crow - a Black Butler fanfiction

A canon compliant, non shipping fanfiction written as a continuation of the second season of the Black Butler Anime:

Now that Ciel has become a demon, he and his loyal butler Sebastian are forever bound to their impossible to fulfill contract.

Ciel soon decides to take on another interesting case in which the mysterious earl Allingham and his household enter the picture. What do these people have to hide? And did Ciel truly succeed at leaving everyone from his old life behind?