live in a city that is often targeted by wild cannibals? Of course it is very difficult. Even though this city is busy and looks happy, there are still many victims who fall because of the actions of wild cannibals who eat them. Even so, all activities must continue. All humans are now under the protection of E1GH7. CB hunter agency (wild cannibal hunter). E1GH7 is an agency consisting of 10 pillars or members with the highest abilities. ....

one day. You and your brother, Raiden. The two of you were walking around the city at night looking for food. Even though it's almost midnight, it's still very busy and many shops are still open. coincidentally the two of them went home by passing a bar in an alley