"Gozonji! Gekkō Kamen-kun" is a comedic anime series that revolves around the absurd and over-the-top adventures of Gekkō Kamen, a mysterious and flamboyant superhero who fights for justice while maintaining an eccentric persona. The story is set in a world where crime and absurdity often collide, and Gekkō Kamen, clad in nothing but a mask, cape, and underwear, emerges as an unconventional savior. His methods are as bizarre as his appearance, often involving slapstick humor, exaggerated physical comedy, and nonsensical solutions to problems. Despite his peculiar approach, Gekkō Kamen is driven by a genuine desire to protect the innocent and uphold justice, even if his actions frequently defy logic.

The series primarily focuses on Gekkō Kamen’s interactions with a variety of characters, including his loyal sidekick, a young boy named Kenichi, who idolizes the hero and often finds himself caught up in the chaos. Kenichi serves as a grounding presence, providing a more relatable perspective amidst the surreal antics. The narrative also features a recurring cast of villains, each more outlandish than the last, who challenge Gekkō Kamen with increasingly ridiculous schemes. These antagonists range from petty criminals to megalomaniacal masterminds, all of whom are thwarted by Gekkō Kamen’s unpredictable and often nonsensical tactics.

The plot is episodic, with each episode presenting a self-contained story that showcases Gekkō Kamen’s unique brand of heroism. The humor is derived from the stark contrast between the hero’s absurd behavior and the seriousness of the situations he faces, creating a satirical take on traditional superhero tropes. The series does not delve deeply into character development or overarching storylines, instead prioritizing comedic set-pieces and exaggerated scenarios. Gekkō Kamen’s identity remains a mystery throughout the series, adding to his enigmatic and larger-than-life persona.

Themes of justice, heroism, and the absurdity of human behavior are explored through the lens of comedy, with the series often poking fun at societal norms and conventions. Despite its comedic tone, "Gozonji! Gekkō Kamen-kun" occasionally touches on moments of sincerity, particularly in its portrayal of the bond between Gekkō Kamen and Kenichi. The series balances its over-the-top humor with a sense of heart, making it a distinctive entry in the superhero genre.