"Eat-Man '98" is a 12-episode anime series that adapts Akihito Yoshitomi's manga of the same name. The story centers on Bolt Crank, a mysterious mercenary with the unique ability to consume and later reproduce any inanimate object from his body. This power allows him to summon weapons, tools, or machinery at will, making him a formidable and enigmatic figure in a world filled with advanced technology and post-apocalyptic landscapes.

The narrative unfolds in a fragmented, episodic structure, with each episode presenting a self-contained story that explores Bolt's interactions with various characters and settings. Bolt often finds himself entangled in the struggles of others, whether it involves protecting a village from marauders, aiding a scientist in recovering lost technology, or confronting powerful adversaries. Despite his aloof and detached demeanor, Bolt's actions frequently reveal a deeper sense of morality and a willingness to help those in need, even if his motivations remain ambiguous.

The series is set in a dystopian future where remnants of advanced civilizations coexist with desolate wastelands. This backdrop allows for a blend of science fiction and fantasy elements, with themes of survival, human ambition, and the consequences of technological advancement recurring throughout the episodes. Bolt's encounters often highlight the moral dilemmas faced by individuals and societies in this fractured world, from the exploitation of power to the pursuit of redemption.

Supporting characters play significant roles in shaping the episodic narratives, often serving as foils to Bolt's stoic personality. These characters include scientists, rebels, and ordinary people caught in extraordinary circumstances, each contributing to the exploration of the series' central themes. While Bolt remains the focal point, his interactions with these individuals provide insight into his character and the world he inhabits.

The series maintains a consistent tone of mystery and intrigue, with Bolt's past and the origins of his abilities left largely unexplained. This deliberate ambiguity adds to the enigmatic nature of the protagonist and the world he navigates. "Eat-Man '98" combines action, science fiction, and philosophical undertones to create a narrative that is both engaging and thought-provoking, offering a unique take on the post-apocalyptic genre.