

Summer Days with Coo
2007, Japanese. Directed by Keiichi Hara.
A small, lone Kappa miraculously survives over 200 years into modern day Japan, when he is found by young Koichi. Coo, who is secretly adopted by Koichi's family, searches with his new human friend for unpopulated places in hopes of finding any remaining of his kind.
- Runtime
- 2h 18m
- Post-credits
- None listed
- Language
- Japanese
- Rated
- G
Start now and it ends at ….
Worth the Hype
Clear your evening for this.
7.8/10 from 149 TMDB viewer ratings.
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Where to watch Summer Days with Coo
Summer Days with Coo isn’t on a subscription OTT platform in India, but you can watch it free or rent it or buy it online.
Availability in India as of 11 November 2026. Streaming data by JustWatch.
Cast & crew
- Keiichi HaraDirector
- Kazato TomizawaCoo (voice)
- Takahiro YokokawaKouichi Uehara (voice)
- Naoki TanakaYasuo Uehara (voice)
- Tamaki MatsumotoHitomi Uehara (voice)
- Ken'ichi NagiraCoo's Father (voice)
- Nanako HirataKoichi's Classmate (voice)
- Kyousuke IkedaKoichi's Classmate (voice)
- Kazuki MatsuokaKoichi's Classmate (voice)
- Souta MurakamiKoichi's Classmate (voice)
- Saki YoshiharaKoichi's Classmate (voice)
- Kereo YoshitaKoichi's Classmate (voice)
- Naomi NishidaYukaki Uehara (voice)
Details
- Released
- 28 July 2007
- Original title
- 河童のクゥと夏休み
- Country
- Japan
- Written by
- Keiichi Hara, Masao Kogure, Yuichi Watanabe
Check ratings elsewhere
News & fan talk
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Summer Days with Coo: quick answers
Is Summer Days with Coo worth watching?
Our verdict is Worth the Hype: Clear your evening for this. It scores 7.8/10 from 149 TMDB viewer ratings.
How long is Summer Days with Coo?
Summer Days with Coo runs 138 minutes (2h 18m).
Does Summer Days with Coo have a post-credits scene?
None is listed for Summer Days with Coo. Viewers tag these on TMDB, so a brand-new film may not be tagged yet.
Summer Days with Coo parents guide: is it suitable for kids?
Summer Days with Coo is rated G in India. That rating means it is generally fine for children.
Which OTT platform is Summer Days with Coo on?
Summer Days with Coo isn’t on a subscription OTT platform in India, but you can watch it free or rent it or buy it online. (Checked 11 November 2026.)
What movies are like Summer Days with Coo?
If you liked Summer Days with Coo, try xxxHOLiC The Movie: A Midsummer Night's Dream, Beyond the Boundary: I'll Be Here – Future, Doraemon: New Nobita's Great Demon - Peko and the Exploration Party of Five.
Who directed Summer Days with Coo?
Summer Days with Coo (2007) was directed by Keiichi Hara and stars Kazato Tomizawa, Takahiro Yokokawa, Naoki Tanaka.