Cast
Characters
CassMainChiaki Kobayashi
ChamiMainMisaki Kuno
Daa-samaMainChika Sakamoto
TakochewSupportingHonoka Mitsubachi
Cigar TaisaSupportingHiroki Touchi
Cass ChichiSupportingMitsuo Iwata
Cass HahaSupportingMizue Ootsuka
MegamouthSupportingYuu Haruichi
HidetodeSupportingAyaka Tanaka
Mother SharkSupportingKujira
Samek ABackgroundTatsuhiro Kikuchi
Samek BBackgroundTakuma Sasaki
Samek CBackgroundTaiki Yamashita
Samek DBackgroundKouji Marunaka
Denwa OtoBackgroundWakana Kowaka
Team
Staff
Yui KinoshitaCharacter design
Kanae AokiDirector
Eiji KashikawaStaff
Reina TsukagoshiStaff
Soudai FukuraStaff
Shintarou NakamuraStaff
Frequently asked questions
Questions about Galaxy Apartment★Cosmo Hills
How many episodes does Galaxy Apartment★Cosmo Hills have?
Galaxy Apartment★Cosmo Hills has 1 episode.
Is Galaxy Apartment★Cosmo Hills a movie or a series?
Galaxy Apartment★Cosmo Hills is a ONA.
When did Galaxy Apartment★Cosmo Hills premiere?
Galaxy Apartment★Cosmo Hills premiered in Winter 2025.
Is Galaxy Apartment★Cosmo Hills worth watching?
A speculative one-off that trades plot momentum for atmospheric world-building. More concept sketch than complete narrative. Ideal if you're looking for dive into introspective sci-fi storytelling without expecting elaborate narrative payoffs.
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