Takabe Naomi is the producer and Gen Urobuchi will be the head writer.
Kamen Rider Gaimu, airing October 6, 2013 will debut with a handful of Riders early on.
The show takes place in a “castle city” Joukamachi which is dominated by corporations. The youth turn to street dancing and battling miniature monsters from another dimension via the use of Lock Seeds which they get from a mysterious man called Sid. The warring dance gangs use of the creatures allows monsters to come through the rift and “Team Gaimu” and “Team Balon” both get Riders who can fight them. From “Team Gaimu” Kota Kazuraba becomes Kamen Rider Gaimu who has Samurai type armor uses the Orange Arms and Pine(apple) Arms, his friend with whom he has a brotherly relationship, Mitsuzame Kureshima becomes Kamen Rider Ryugen who has a Chinese style armor and uses Grape Arms. The leader of “Team Baron” the rival dance gang is Kaito Kumon, he gets the Western style armor and uses the Banana arms. Rumor has it that the brown Rider is not Gaimu Pine Arms, but actually Kamen Rider Griton, who uses the coconut Arms.
Kota Kazuraba’s sister Akira Kazuraba works for the Yggdrasil Company, which is where the Fourth Rider, Takatora Kureshima who is actually Kamen Rider Ryugen, Mitsuzame Kureshima’s older brother. Takatora is a key part of the company while his younger brother Mitsuzame tries to hide his connection to the powerful company. Takatora becomes Kamen Rider Zangetsu who also has Samurai armor and uses Melon Arms.
Kota and friends hang out at a “fruit parlour” called Dorupazu, Kiyojiro Bando is the owner.
TaintedSeraph on HJU linked to Magenta’s partial translation of the TV Asahi Gaim/u page. Xtreme RX on HJU posted a more detailed translation of the page.
All the above images came from HJU and were posted by @Tokumaru and TaintedSeraph