Seen everything by Yūichi Abe?
If you've already watched everything Yūichi Abe directed, here are 12 films from other directors that share the orbit of Ultraman Zero: The Revenge of Belial — the catalog's mood-cluster and similarity-graph neighbours, filtered to exclude Yūichi Abe's own filmography. Where to go next. (Also: Yūichi Abe's full filmography · where to start with Yūichi Abe.)
Ultraman Saga
Ultraman Zearth
Ultraman Tiga & Ultraman Dyna & Ultraman Gaia: The Battle in Hyperspace
Mega Monster Battle: Ultra Galaxy Legends The Movie
Ultraman Geed the Movie: Connect! The Wishes!!
Inazuma Eleven GO vs. Danball Senki W
Crayon Shin-chan: Invasion!! Alien Shiriri
Ultraman R/B The Movie: Select! The Crystal of Bond
Kamen Rider Heisei Generations: Dr. Pac-Man vs. Ex-Aid & Ghost with Legend Riders
Doraemon: Nobita and the New Steel Troops: Winged Angels
Doraemon: Nobita's Treasure Island
Doraemon: Nobita's Chronicle of the Moon Exploration