Space-Time Detective (時空探偵ゲンシクン) is the progonal manga published by Bros. Comics and contains many of the series original ideas and concepts. Its main protagonist is "Primitive Boy Genshi", a cave-boy who ends up in the future.


PBG3 chapters

All 3 volumes of the manga

This is the first version of the series and contains prototype storylines. Unlike the Bom Bom Comics manga, it features many different approaches. Similarities are found between all 3 storylines, the main characters are present, but the Time Shifters have a different handling.

The stories are split between 3 volumes.

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