Heavenly Voice operates solely as an off-screen commentator. This unseen presence observes and provides verbal commentary specifically during interactions where the central protagonist, while performing a dogeza bow, pleads with female characters for nudity or underwear exposure. The character exists purely as an auditory element and never appears visually. In one specific scene, Heavenly Voice remarks on an argument between the protagonist and Minori Gakesaka concerning her breasts. Across all media, Heavenly Voice exhibits no character development or expanded narrative function beyond delivering these observational remarks during the protagonist's pleading encounters. No physical traits, gender, or backstory are provided. Official sources assign no further narrative significance or personal history to this role.