Majinga Z

After being warped from their universe to that of Mazinger, the Transformers join the fight between Mazinger Z and Dr. Hell's army of mechanical beasts. A crossover between Mazinger Z and the Transformers series, with each chapter drawn by a different artist.

Collects an extended version of the 2009 "Shin Mazinger Shogeki! H-hen" oneshot and the two-part crossover story "Cutie Honey vs Abashiri Ikka"

A collection of oneshots based on Mazinger Z and Great Mazinger.

The manga depicts the Mazinger Z and Getter Robo mecha battling it out after an elaborate ruse by their enemies caused them to oppose each other. At the same time, mysterious new pilot recruits for the Photon Power Lab are hiding a dangerous secret.

Dynamic Heroes is a digital manga by Kazuhiro Ochi that presents the most notable characters from the franchises by Dynamic Productions in their anime format in a massive crossover. It involves the series: Devilman, Mazinger Z, Cutey Honey, Great Mazinger, Getter Robo, Grendizer, Demon Lord Dante and Dororon Enma-kun.

The story revolves around a new team of "Toei robot girls" named "Team Z" that is made up of three girls based on Toei's Mazinger Z franchise: Mazinger Z, Great Mazinger, and UFO Robot Grendizer. Usually they perform in activities around Nerima ward in Tokyo to raise the awareness of the promising future energy source "Photon Power." However, there are times when "Mechanical Beast" team of girls emerge from the "Subterranean Empire" and attempt to steal the energy. Thus "Team Z" has to battle them to prevent this, though sometimes they just go and beat up the "bad girls" to relieve stress.

The manga takes place in a world where the use of Super Robots is questioned. Koji is a former pilot with his companions faced with both personal and outer conflicts. They were once heroes but peace was achieved, bringing their robot's use into question. Can this peace even last and can it even lead to true peace...?

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. *Note: This part of Gekiman! mostly focuses on Devilman.*