Hakaiou: GaoGaiGar Tai Betterman
覇界王〜ガオガイガー対ベターマン〜
This manga combines elements from GaoGaiGar and Betterman, taking place following the conclusion of GaoGaiGar FINAL. It incorporates previously unused ideas from the GaoGaiGar Final Project Z. The story is expanded with five additional chapters beyond the original material.
