Devil Summoner: Kuzunoha Raidou Tai Kodoku no Marebito

Year Taisho 20, Kuzunoha Raidou the 14th returned to the Capital as the Protector of the Capital. He stayed in Narumi Detective Agency as a cover for his true job. He was partnered with Gouto-douji, a black cat.

One day, series of strange murders came. The victims were strangely killed, as if they were eaten by a beast. Then, Tae Asakura, their friend, came in and said about a person that is most likely to be a victim. Tae came to the man and wanted to investigate further. Raidou had a bad feeling and came to investigate, but the man was possessed by a demon. He almost killed Raidou, but the body fell down. Only left an empty skin. Raidou knew immediately that the demon was out there. Manticore's the name.
Ra...