Masaka Kubota plays high-school student Keita, who leads a secret life as a "network investigator" for a secret organization. In the introductory episode, Keita has moved to a new school in Tokyo but doesn't like it. His best friend from his previous school comes to Tokyo and they run away together. Passing through a construction site the pair are attacked by a robot, but are then saved by a man named Takimoto and his strange sidekick — a cell phone with arms and legs. This Buddy Keitai cell phone with "human intelligence capabilities" will go on sale in Japan in April.
窪田正孝
as Keita Arishima
津田寛治
as Sosuke Takimoto
Reiko Igarashi
as Karen Arishima
渡辺典子
as Harumi Arishima
田口浩正
as Kentaro Arishima
松田悟志
as Daiki Kirihara
三津谷葉子
as Toko Asano
岡本奈月
as Yuri Midou
Mikiya
as Serizawa
Hiroshi Katsuno
as Katsuhiko Shimura
Yosuke Katsuno
as Shugo Kaito
伊藤裕子
as Chigusa Mimasaka
