- Summer with Coo - IMDb
- Momo no Tegami (A Letter to - MyAnimeList.net
- Summer with Coo - IMDb
- Kappa Natsume Yuujinchou Wiki | Fandom
- Random Review: Keiichi Hara's Summer with Coo | by AniTAY-Official | Medium
- Anime – Summer Days With Coo – MIB's Instant Headache
- Kappa no Coo to Review | The Pantless Anime Blogger
- Summer Days with Coo US Trailer] - Out Blu-Ray/DVD Jan. 21! - YouTube
- Kappa no Coo to Review | The Pantless Anime Blogger
- | Movie Guide
- Review of Days with Coo
- Summer with Coo - IMDb
- Summer Days with Coo -
- Summer Days | Anime-Planet
- Crunchyroll - FEATURE: Monster Mondays -
- Anime Film Misaki no Mayoiga Unveils New Visual and
- 25 Best Underrated Anime That Are A Must - Animehunch
- Summer Days with Blu-ray (Kappa no Coo to Natsuyasumi)
- Watch Days with Coo Prime Video
- GKIDS Retrospective: Summer Days with Coo the Roarbots
- Summer with Coo - IMDb
- Crunchyroll Get Colorful in New Key Visual Sarazanmai Anime
- Watch Netflix
- Kappa no Coo –