Supernatural, Romance, Mystery, Horror, Historical

There is more to this world than what we see… In life, Iijima Ritsu’s grandfather was a novelist under the name of “Snail,” and was rumored to have contracted with demons for his talent. And now it seems that Ritsu has inherited his grandfather’s sixth sense to see demons that roam the world. With his demon guardian, Blue Storm, Ritsu now embarks on various cases to investigate their supernatural links, and tries to deal with the demons’ horrors and charms.