Tenchi Muyo! War on Geminar

Tenchi Muyo! War on Geminar (2009) is a animation, action & adventure, sci-fi & fantasy with 1 season, rated 7.6/10.

The story is set in an alternate world called Geminar, where countries have fought endless wars with replicas of humanoid Seikishi weapons that they found in ancient ruins. 15-year-old Kenshi Masaki, the half-brother of Tenchi Muyo! protagonist Tenchi Masaki, is summoned from another world to Geminar.