Cobalt Blue
Ryuji is a fisherman that has brought up his daughter Ryoko single-handedly. Ryoko and her childhood friend Kazuya have fallen in love. But when Kazuya dies in a tragic accident while diving for coral wood, Ryoko is overcome with grief and, emotionally destroyed, retreats into silent mourning.
Below are the streaming services currently carrying the movie “Cobalt Blue” in the United Kingdom, along with how each offers it (subscription, buy, or rent) and a direct link. Licensing differs by market, so availability in the United Kingdom can differ from other countries.
Where to watch Cobalt Blue in United Kingdom
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Not currently available on the supported providers in United Kingdom.
Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 22 Sept 2026.