Go! Go! Loser Ranger! manga volume 11 features story and art by Negi Haruba, the creator of The Quintessential Quintuplets.

The stage has been set for the greatest battle royale in the history of the Ranger Force. On one side, the entire Ranger Force has been mobilized to deal with the threat of the kaiju, and on the other, the Directors of the Monster Protection Society pose a new threat with familiar powers! Caught between these two powerful forces, unwilling to let either side prevail, is Fighter D, the self-proclaimed enemy of all hope. From now on, D has decided to fight for his own sake and no other!