At the end of century, monsters and demons invade the world of the men. Mitsurugi is a hunter of demons who executes his work of extermination with the aid of his three assistants. A day summons its Iria assistant to face a vampiresa that, in the end, ends up fleeing. Mitsurugi summons then to his second assistant, Kusha. Kusha locks up immediately to the monster in a special stone. The problem is that, soon, it refuses to give the stone him to Misuruhi… So that it does?
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