Ouroboros

Corporate crime boss Joey Costello hires the mysterious assassin known as "O" to hit one of the biggest hitmen in the business. For O, it's just another job in a long, bloody line of work. Then O's past catches up with him - a past that stretches back not years but centuries.

Most men are in it for the money. O is in it for the meat...

"Koehler has managed to seamlessly weave together blood, guts and Asian folklore into a fantastic modern monster story." - Horror Fiction Review