Inukami are demons with the apearence of a dog , they protect the humans from outher demons, but Keita ( a descendant of historic Inukami tamer family) he lacked in its ability, so he was forsaken by the family. One day, an Inukami named Yoko came in to his life , and from now on , Keita's life will never be the same.Although she was really beautiful she was a problematic Inukami that no one had been able to control , and from that moment the endless strain of Keita's embaressments was without end