The story is twisted around the adventures and battles with Ushio Aotsuki tigroobraznym invisible youkai Torah. Ushio family lives in a Shinto temple, where 500 years ago the ancestor of Ushio fought with the Torah and chained him "Spear of the Beast." This spear can increase the physical capacity of the owner, giving him the ability to destroy the demons. But at the same time,spear devour his soul, is slowly turning into a beast, which is the raison d`etre only in destroying demons. Catching cleaning warehouse, Ushio stumbled upon a basement in which the Torah and was imprisoned. Out of curiosity, Ushio decides to open the cellar, thus breaking the seal. First Ushio refuses to release youkai, but then,boys when friends get into danger through his fault, he had no choice. How did it all end?