Ranger Reject (戦隊大失格, Sentai Daishikkaku) is a Japanese superhero manga series written and illustrated by Negi Haruba and is published in Weekly Shōnen Magazine. It began serialization on the 3rd of February, 2021 in issue 10 of Weekly Shōnen Magazine.
On the 21st of November, 2021 during their panel at Anime NYC, Kodansha USA announced their license to the series and will release it in print and digital but under the name, “Go, Go, Loser Ranger!”
A life-or-death struggle unfolds! On one side, the Dragon Keepers, Rangers who use the power of Dragon Gods to protect humanity! On the other side, The Villainous Army of Evil, invaders hellbent on world conquest!… Yeah right, what a farce. The outerspace invaders, beaten into submission in the first year of the war, have been turned into dancing fools. They exist solely to be defeated before the masses every Sunday! No longer can they even be called “villains,” they live their days as slaves. But a lone invader won’t stand for it any longer. He’ll take on the invincible Rangers and tear down the system! The first (and perhaps last) “anti-Ranger” action series begins!”