Demon war ~ Postponed

In a world full of demons there are people who were born with the ability to use divine energy . Divine energy is present around us everywhere but the only one who can use divine energy have a broken gate which allows them to use divine energy. Normal people have a sealed gate so they can't use divine energy. Demons also use a kind of energy but not divine they use soul energy. There are also some people with soul energy inside them that increases their urge to kill people. The seven great families are the descendents of the strongest hunters in existence who dominated in their era. The story is situated in the 21st century japan . There is a hunters organisation in every country including Antarctica to ensure the safety of the people all around the globe . In the organisation, there are four classes A,B,C and D and S class is a special class which has been empty for many years. There are only 2 S class in japan right now. Demon occurance are also classified in 5 classes S,A,B,C and D. They are the weakest to the strongest and S class is considered as a calamity that can destroy a whole continent . The world is not a peaceful place as it may seem . There are many dark secrets hidden in this world which has not yet been discovered by the humans . In this story we will follow the life of a boy named Tatsuya who was born with a broken gate . How will he survive in the world full of danger?