A group of eccentric detectives are gathered in Kabukicho to solve mysteries and compete for cash. One of the detectives is the famous Sherlock Holmes, and Dr. John Watson has also arrived in Kabukicho to seek his help.
“Jet Racing”, a sport where young women race jet skis and shoot each other’s clothes off, is all the rage in Japan these days. Rin Namiki is determined to become a jet racing champion, just like her mother years ago.
Otonomiya Saku is a transfer student with an apparently amazing vocal range, and who the Singing Club at his new school are excited about for his potential to perform the song they plan on using for an upcoming competition. Meanwhile, some kind of mysterious force or beings known as the “white shadows” are making themselves known, not only to Saku but also to some of the teachers at the school, who seem to want to use its/their power in some way for an as yet unknown purpose.
Seiji Nanatsuki is a rookie police officer fresh out of the academy, and an idealist determined to fight crime and seek justice for all. In a world where humans live alongside elves, dwarves and vampires though, that might be a bit more complicated than it sounds – especially as Seiji himself may not be as normal as he appears.
Aruto Hiden is a young man who just wants to make it as a comedian. However, he’s going to have to put his dream on hold as he’s been named his grandfather’s heir, and that means taking the presidency of the vast Hiden Corporation, which has revolutionised the world with its lifelike robot HumaGears. When evil forces begin to take over the HumaGears and turn them against humanity, Aruto must use his grandfather’s final invention to battle them as the first Rider of the new era, Kamen Rider Zero-One!
Accelerator has recovered from his injuries, albeit with his powers now severely limited. Before he can leave the hospital, he’s attacked by a new enemy trying to obtain his DNA.
Uenoyama is a skilled guitarist who has lost his passion for playing, while Sato is constantly carrying around a prized guitar that he has no idea how to play or restring. When he begs Uenoyama to fix his guitar and then teach him to play, Sato becomes completely attached, and the relationship is cemented when he tags along to Uenoyama’s band practice and listens to him perform for the first time.