"Revolt Revolver - Shachiku Danshi no Henshin" centers on the life of Shouma, an overworked and underappreciated office worker who struggles with the monotony and exploitation of his corporate job. His mundane existence takes a dramatic turn when he encounters a mysterious woman named Alice, who grants him the ability to transform into a powerful, gun-wielding hero known as Revolt Revolver. This transformation is tied to a unique revolver that channels his suppressed emotions and frustrations into raw combat power.

The narrative explores Shouma’s dual life as he balances his oppressive day job with his newfound role as a vigilante. As Revolt Revolver, he confronts monstrous entities called "Hollows," which are manifestations of human despair and societal corruption. These Hollows often emerge from individuals who have been pushed to their limits by the same systemic issues Shouma faces in his daily life. The series delves into themes of workplace exploitation, mental health, and the struggle for self-worth in a dehumanizing environment.

Shouma’s journey is marked by his growing awareness of the broader societal issues that fuel the Hollows’ existence. His interactions with Alice, who serves as both a guide and a cryptic figure with her own agenda, add layers of mystery to the story. Other characters, such as Shouma’s coworkers and individuals affected by the Hollows, provide additional perspectives on the systemic problems plaguing their world.

The plot progresses as Shouma grapples with the moral implications of his actions, the toll of his dual identity, and the true nature of the Hollows. The series combines action-packed sequences with introspective moments, creating a narrative that is both dynamic and thought-provoking. Through its exploration of personal and societal struggles, "Revolt Revolver - Shachiku Danshi no Henshin" offers a compelling blend of fantasy and social commentary.