Go! Go! Loser Ranger! manga volume 10 features story and art by Negi Haruba, the creator of The Quintessential Quintuplets.

D finally succeeded in assassinating Red, yet why has there been no response from the Ranger Force? And why is the Sunday Showdown happening like normal? Everything might seem fine, but the Rangers are struggling to deal with the elusive kaiju and the citizens' mistrust is growing. Support for the Monster Protection Society is on the rise, and the situation soon spirals out of control when the public begins to take sides in the growing conflict. Where will D's one-monster war take him next—who will he side with?