Manga written by Mangaka AKAHOSHI Masanao:
Mazinkaiser vs Shin Getter Robo
Crossover one-shot between Mazinkaiser and Shin Getter Robo. It was included in Immortal Super Robot Encyclopedia 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. Part of the [Getter Robo](https://mangadex.com/?page=search&title=Getter%20Robo) series.
Chapter Unknown_60d7
8 years ago
Action
Mecha