Onigiri ni Naritai Cogimyun
Japanese title: おにぎりになりたい こぎみゅん
Type: TV
Episodes: 10
Premiered: winter 2020
Source: Other
Genres: Fantasy
Producers: Sanrio
Duration: 1 min per ep
Rating: G - All Ages

A prequel to Cogimyun covering her life at flour school before she runs her grandfather's apartment complex. Episodes air within the "Millenia Girl" live action program and then get released for a limited time later in the day on Sanrio's official YouTube channel.