Quick Answer
No confirmed platforms for Blue Sonnet right now. Search Crunchyroll, Netflix, and Amazon Prime below to check your region. The show is 5 episodes (~2h watch time).
Where to Watch Blue Sonnet
No confirmed streams for Blue Sonnet at the moment, but anime licensing changes fast. Check the platforms below — Crunchyroll and Netflix are usually your best bets.
Search Streaming Platforms
Anime licensing changes by region. If Blue Sonnetisn't on your usual service, try these.
About Blue Sonnet
Sonnet is a cyborg/esper from a harsh background and now trained to be the ultimate warrior and most powerful weapon in the world. She is sent to Japan to watch Komatsuzaki Lan, who is thought to be controlled by the rage of the esper Akai Kiba (Crimson Fang). Lan is a quiet girl who knows she's different from everybody else and starts to show signs of Crimson Fang after coming into contact with Sonnet. In the course of fighting with Lan, Sonnet starts to rediscover her humanity. At the same...
Full details on MyAnimePulseFrequently Asked Questions
Where can I watch Blue Sonnet legally?
We don't have confirmed platform data for Blue Sonnet at the moment, but Crunchyroll, Netflix, and Amazon Prime are the most common homes for anime. Use the search links above to check what's available in your area.
Is Blue Sonnet on Netflix or Crunchyroll?
Can't confirm either right now. Both platforms rotate their catalogs pretty often, so it's worth searching directly on each one.
Is Blue Sonnet available with an English dub?
Dub availability depends on the platform. Crunchyroll has been expanding their dubbed library a lot recently, and Funimation (now merged into Crunchyroll) historically had the biggest dub catalog. Check each platform's listing for Blue Sonnet.
Can I watch Blue Sonnet for free?
Crunchyroll offers a free ad-supported tier for some shows. Most other platforms require a subscription, but many offer free trials for new users. Tubi and Pluto TV occasionally have anime in their free rotation too.