Obscurity is a half life 2 graphic animation novel that is released in chapters. It is quite hard to explain the story in a lot of detail as it will ruin the plots turning points, however i can tell you this it revolves around an unconfident man named Daniel Harries who has a tragic past he just cant forget about. On december the 31st 1999 Dan is on his way home when he gets caught in the middle of an event that will lead him into a world of love, guilt and deceit. Can he stop the man responsible for all this or will he lose to an even more intimidating enemy. Himself.
You can find more info on the series at C.J Workshop
Chapter One - My Real Heroic Dream