MANGA

Dai Uchuu Kaijuu Dai Bouei Taisen

20 chapters3 sources

Latest: Chapter 20

Updated May 20, 2026

Read Ch. 20

Chapters

Updated May 20, 2026

All chapters3

Synopsis

Due to a certain incident, Detective Yasaka Genichiro of the Public Safety Division retired from the front lines. One day, a girl named Joshua, who calls herself a "space police officer," appears before him. Initially suspicious of Joshua's behavior, Yasaka is forced to believe her after witnessing her unique discharge and detection abilities. With no place to go, Joshua temporarily stays at Yasaka's house, where she reveals her next objective: "Monster extermination." Reluctantly, Yasaka follows Joshua to the location she indicates, where they are confronted by a gigantic mechanical monster! With Joshua's arrival, Yasaka is drawn into a grand destiny. What are the cosmic monsters' objectives? And who exactly is Joshua? The ultimate monster battle action begins here!

Genres

Action Drama Shounen Sci-Fi

Details

Type: MANGA
Updated: May 20, 2026

Alternative titles

Great Universal Monster Defense War
The Great Cosmic Monster Defense War

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