Hagito is the central protagonist of the anime Nar Doma, a character whose entire identity is built around an extreme and performative self-absorption. He is defined first and foremost by his narcissism, a trait so pronounced that it forms the first half of the series title, with Nar Doma being a combination of Japanese slang for narcissist and masochist. He is described as a handsome young man, yet this attractiveness is undercut by his deeply flawed and often pitiful personality. His most constant companion, appearing with him anytime and anywhere, is a mirror, which he uses to admire himself obsessively. This behavior is the most visible expression of his overwhelming self-love.

Beyond his narcissism, Hagito is noted to have a lolicon complex, a specific and controversial character trait that further colors his interactions and adds to his status as a disappointing or pitiful handsome man. His personality is the primary engine for the series comedy, which is described as an unorthodox, hard surreal gag manga. Hagito does not have grand or heroic motivations; his driving force is the maintenance of his self-image and the pursuit of his own vanity. His role in the story is to be the anchor for a group of highly idiosyncratic characters. As the protagonist, his narcissistic behavior often clashes with or is highlighted by the extreme personality traits of his friends, creating the comedic situations that form the core of the narrative. His primary partner in this dynamic is Kei, a super masochist, and together their opposing yet complementary traits create the central comedic pairing of the series.

Key relationships revolve around this core duo. Besides Kei, Hagito is surrounded by other unique friends: Totono, a girl with superhuman strength; Saito, an exceedingly stylish workaholic; and Roku, who is super negative. Even a normal member of the group is said to have his own problems, underscoring that Hagito exists in a world where everyone is an exaggerated character. Through its 26 short episodes, the series does not present a traditional character development arc for Hagito. As a gag comedy, the humor is derived from the static and unchanging nature of his personality; he remains consistently narcissistic, allowing the situations and his reactions to generate laughs. His development, if any, is not a move towards self-improvement but rather a deeper exploration of the comedic consequences of his fixed mindset. His notable abilities are not supernatural or combative but social and psychological. His primary skill is his unyielding vanity, using his mirror to maintain his focus on himself. He also possesses a physical attractiveness that is acknowledged within the story, though it is consistently undermined by his behavior, making him a deconstruction of the handsome anime archetype.