A live-action "Episode Zero" was shown on April 21, titled "Skullman: Prologue of Darkness," starring Ami Suzuki, Kamen Rider Hibiki and Death Notes Shigeki Hosokawa and well-known stuntsman/actor from Kagaku Sentai Dynaman and Tensou Sentai Goseigers Makoto Itō. It was also set up to be a pseudo prequel to Cyborg 009. Unlike the previous Skull Man, the story closely focuses on a journalist named Hayato Mikogami who returns to his hometown at Otomo to investigate strange rumors of killings done by a man wearing a skull mask. Tailed tightly by a young photographer, Kiriko Mamiya, the two soon uncover the many strings of connections between the victims, a local pharmaceutical company, a mysterious new religious sect and strange half-human, half-animal creatures, which roam the night streets for blood. Many of the characters are taken from Ishinomori's works other than Skull Man. The series opening theme is TOKIO's and the ending theme is Chocolove from AKB48's . Characters A mysterious man in a skull-shaped mask making appearances in Ōtomo City and rumored to have been killing numerous victims in the city, especially those roaming at night. He is believed to be the missing Tatsuo Kagura at first, but later in the series, Father Yoshio Kanzaki, a close friend of Hayato's, reveals himself as the true Skull Man and explains that the only people he has been killing are those who are members of a new cult who mutate into monsters. After Yoshio's death, Hayato becomes Skull Man himself and saves Maya from the ritual, for Yoshio's sake. The Skull Man is actually not a person, but an ancient helmet that grants the user supernatural abilities and deadly weapons. At one point, Kiriko's brother Jin dresses up in a fake Skull Man suit and uses it to commit murders, but the real Skull Man shows up later and confronts him. Hayato Mikogami once lived in the orphanage in Ōtomo City. After being adopted and raised, he left Ōtomo to move to Tokyo so he can work for a famous newspaper. Years later at 23 years old, he is working for a second rate newspaper and with permission leaves to go back to Ōtomo City to search for the legendary figure, Skull Man who by rumors had recently killed an actress. While on the train trip, he meets a young Kiriko who doesn't have the correct passport to get into the city and