A comedy anime and documentary OVA series about an everyday Japanese guy named, Ken Kubo. He is in college, a member of the tennis team and even has a girlfriend. Then one day he comes across his old friend from high school, Tanaka. Tanaka induces Kubo to his otaku friends, all being experts in thier fields (illustration, martial artist, weapon collecting, cosplay, model kits and much more). Kubo suddenly becomes obsessive and desiring to become the Otaking, the King of all the otaku.

The anime is spliced with documentary footage interviewing Japanese otakus.

Produced by Gainax,