All hell is about to break loose. A serial killer has struck the streets of Tokyo. There appears to be no rhyme or reason to the victims; they vary in age, gender, and even location. The only thing tying them all together is the mysterious oni mask left on each of the victim's faces as the killer's calling card. Who is this mysterious Oni Killer, and what do they want? Can they stop this horrific murderer before something terrible and ancient is unleashed upon the most populous city in the world? Click the buy now button to find out right now. Reiwa Tanpen is a series of stand-alone Japanese horror, mystery, and thriller novellas and short stories for the new era. Featuring Japanese ghosts, curses, killers, yokai, urban legends, and much more, each story can be read independently of the rest.