Akuma Kun, a boy raised by a demon, works with his half-human partner Mephisto III as paranormal investigators to solve various murder and mysteries.
Kimi lives in a small, low-cost housing complex located in the seaside town of Kurosaki, with horrific incidents starting to occur and trouble seemingly following her wherever she goes. Is an ancient evil stalking the residents of Housing Complex C?
While heading towards her own wedding, Kirara Imai dies in a car accident. Deeply frustrated for being unable to accomplish her dreams beside Konpei Asai, she asks for the opportunity of being with him once again. Kirara is able to return, but she goes back eight years in time as a ghost. There she is able to meet Konpei and herself when they still weren't a couple.
Yuusaku Yara, born Susumu Kawabe, is a Japanese voice actor. He has also worked under the name Tetsu Kurobe.