The Narrator functions as an omniscient, disembodied voice providing commentary within the Shuchiin Academy anime adaptation. This character translates the manga's text-heavy dialogue boxes into audio, layering comedy through overly dramatic narration of mundane student interactions.

Acting as a non-biased judge, the Narrator interprets everyday actions—like sharing lunch or casual conversations—as intense strategic battles, delivering verdicts after segments. His consistently serious and grandiose tone creates comedic juxtaposition against the characters' trivial antics, framing romantic misunderstandings or social blunders as high-stakes conflicts to heighten absurdity.

A unique trait involves occasional fourth-wall-breaking interactions, particularly with Kaguya Shinomiya. She sometimes demonstrates awareness of the Narrator's presence, reacting to his commentary or addressing him directly, blurring the line between narrator and narrative without an established in-universe explanation.

The Narrator predominantly uses characters' surnames (e.g., Shirogane, Fujiwara, Ishigami) but consistently refers to Kaguya by her first name without honorifics. This naming distinction has sparked fan theories about potential hidden connections, though no canonical rationale exists within the anime. The live-action film depicts the Narrator as Dr. Shozo Tanuma, Kaguya's cardiologist portrayed by Jiro Sato, who explicitly identifies himself as the narrator and suggests a personal relationship that might explain the naming convention; this characterization remains specific to the film.

Across all seasons, films, and OVAs, the Narrator maintains a consistent role without personal backstory or development. His presence diminishes during serious or emotionally charged scenes, shifting focus to character-driven drama rather than comedic commentary; this absence underscores his primary function as a satirical device rather than a narrative participant.