Deep in the mountains of feudal Japan, a group of children endure cruel and unorthodox training in order to become the Shogunate's most secret and deadly weapons - the Demon Spies! Their true identities are hidden - even from each other. Behind their demon masks, they are educated in the deadly arts of infiltration, espionage, assassination - and seduction! If they survive to become strong enough to kill their teachers, they will become - the Demon Spies! Sent on a suicide mission to uncover a deadly conspiracy, five inexperienced Demon Spies must infiltrate a powerful fief, discover the location of its secret arsenal, and destroy it. But Lord Shogen, the Demon Hunter, plans to brutally interrogate, ingeniously torture, and cruelly execute - the Demon Spies!

A group of friends try to find success in corporate Japan.

A salaryman's drunken ravings in public attract the attention of journalists who coerce him into telling them his life's story.

Sequel to "Irresponsible Age of Japan".

After their lord is tricked into committing ritual suicide, forty-seven samurai warriors await the chance to avenge their master and reclaim their honor.

When a rare species of butterfly is found in a mysterious valley in Japan, a pair of entomologists go to investigate and find more. They discover Varan, a giant monster, who decides to leave the valley and head straight for Tokyo.