Ungaikyou

In the era of the gods, year 300: Yuuna Yuuki lives an ordinary life as a second-year middle school student, but she is also a member of the Hero Club, where club activities involve dealing with a mysterious being called Vertex. Source: ANN

Ushio thinks that his father's talk of an ancient ancestor impaling a demon on a temple altar stone with the legendary Beast Spear is nuts, but when he finds the monster in his own basement, Ushio has to take another look at the family legend! To save his friends and family from the invading spirits, Ushio is forced to release Tora from his captivity. But will the creature…