10 years after the great war against demon we follow a boy named Aron part of the race called beast man his not a special boy unlike his two friend who left him for some unknown reason, one can make contract with spirit and the other has the blood of a dragon. slayer.

but his life is about to turn upside down when he meet a suspicious looking man that gave him a offer to become a vessel a legendary spirit all though scared he accept the offer hoping it could help him become strong,

after accepting the offer his life seem to get better he get a new friend and he became stronger but he felt a strange felling inside that he can't seem to explain will he alright?.

beast spirit