The character "Nori Onigiri (Seaweed Rice Ball)" appears in the cast listing for "Gekkan! Nanmono Anime" with an attributed voice actor. However, the available sources provide no details concerning this specific character's background, personality, story arc, relationships, or appearances within the anime's narrative across any seasons, films, OVAs, or spin-offs. While extensive information exists about onigiri as a food item, it does not reference this character.