A mysterious monster called the High Beast, has taken control of the regions of Eurasia and Africa. Japan has cut off from the mainland to protect itself from this threat. The daughter of a legendary mahjong player discovers that monsters attack whenever a mahjong piece is hit across the board. This allows humans to be separated from the battle and for mahjong players to effectively combat the monsters with robots controlled through mahjong moves.

When a spacetime warp sends the Autobots and Decepticons to the Japan of another dimension, they get involved in Mazinger Z's fight against Dr. Hell and Baron Ashura.

Mazinger vs. Transformers is a cross-over manga featuring the characters from the Mazinger and Transformers franchises.

The six chapters will each be drawn by a different artist.

An autobiographical manga about the career of Nagai Go and how his most known works were born.

How a young Nagai Go, struggling to break out of his typecasting as the go-to guy for gag manga by breaking into the sophisticated world of story manga.

Whoever wins... we lose.

Spring, 1991. Mysterious gold metal balls fall from space... The balls were too small to be sensed by humans, so they were scattered across the entire earth without incident!

A collection of short stories published in the 40 year anniversary edition of Kodansha's Afternoon magazine, Go-Chan Magazine.

After the world ended in the original Devilman, Akira Fudo is in hell, seeking the soul of his beloved Miki while at the same time Doctor Hell is beseeching the underworld for power in order to get his revenge upon the hated Mazinger. Akira sets in motion a chain of events that earn the enmity of Hades himself, who'll stop at nothing to avenge the slights Akira commits against him.

The prequel manga to the Cyborg 009 vs Devilman OVA.