Kakashi had lived his whole life with his mother, Ako and sister, Tokah in a barrier. Each time they asked their mother, why they have to stay in the barrier, she always reply them by saying that the world is a dangerous place and it's too dangerous for special people like him and his sister. One day, their home was invaded by some unknown men, the next day. Even though his sister was able to escape, his mother was killed right in front of him and he was kidnapped to be use for some experiments. Kakashi was able to escape years later after the building collapsed and was saved by an academy that trains people with powers. Kakashi decided to join them as a means of finding his sister and in a quest for revenge.
After the creation of the world. Most of the gods decides to live as human on their creation. Although, they are human, they still possess their god-like power. Some of the gods lived normal life, got married and produce more. These children produce from them are call SUPERNATURAL.
Modern civilization see them as weapon but after continuous refusal to the plan, it started a war between humans and the supernatural. Forcing humans to use other human being for experiments to produce god-like being powerful enough to maybe kill a god, results from such inhuman act are called EXPERIMENTAL.
On the other hand, superhumans are humans with a weak ability and is not limited by karma, I don't even know how that is possible but it is. That mostly happen when a Supernatural come together with a human.
There are also some Supernaturals who can't use any technique because of they can't properly control their karma but are able to release it from their body in visible form.
Kakashi Yami was a victim of this, leading him to a life trying to find his sister and why people are used for experiments lead him to know what should have been kept unknown.
This book might contain bloodshed and sometimes erotic moments, so please beware.