Crossover one-shot between Mazinkaiser and Shin Getter Robo. It was included in Immortal Super Robot Encyclopedia (不滅のスーパー? ボット大全).
The manga begins with the Mazinger Z and Great Mazing...more
Crossover one-shot between Mazinkaiser and Shin Getter Robo. It was included in Immortal Super Robot Encyclopedia (不滅のスーパー? ボット大全).
The manga begins with the Mazinger Z and Great Mazinger fighting against an alien machine after the Diana A and Venus A have been taken down.