Just like it is said in history although not all are confirmed to be true, not only the human world exist on the surface of the earth there are other creatures and part of this creatures that co-exist are the mystical beings.

In a particular part of the world, at a place not known to the human race is a mysterious forest sheltering many mystical beings

it is believed that man's wants are unlimited so he needs to be put to check by laws and authority this also applies in the mystical world there are authority which guide the creatures and the most powerful is deem fit for this position.

having more power and stronger than the rest of the beings the Demon clan rule this forest of mystical although no official leader was chosen among them

the strongest of all is taken to be their unofficial ruler who gives rules and commands when needed and the leader of the cold forest for more than a thousand year now is a Demon named Samael, a venom demon with a poisonous and cold personality.

Living for thousands of years these creatures became aware of another existing world of the humans who are so different and weaker.

Soon enough the mystic world took interest in other world, although many didn't want to relate with the humans due to their different nature

but out of all the creatures who took interest to the human world Samael was one of them, he's so fascinated by the strange world where the people there look different and behave different.

But later on dark powers threatened the forest almost turning the creatures into pure evil with no feeling

this took an impact in the human world as the creatures begin to feed on human blood, heart and flesh for survival increasing the rate of evil in the forest and causing a disaster in the human world

with things getting out of control

Samael took it upon himself to get rid of the evil and search for solution.

After many struggles, he eventually conquer the dark powers throwing it into abyss and giving the creatures back their true self.

But in the cause of fighting, Samael intake some of the dark power inside his body causing him to a thirst for human blood at interval.

Samael tried many ways to save himself but he could only manage to suppress the blood thirst feeling in him

In a bid to heal himself he travels to the human world once every year and mingle like he's one of them, at a time he almost lost control he met a friend in the human world, the first human to know the secret of the mystical being existence and his only confidant.

With his human friend assistance, he venture more into the human world and not long decided to make himself an abode to stay.

Soon he took a great interest to the development of the other world and make an appearance once in a year.