Watch Scarlet Nexus Online (2021)

Where to watch “Scarlet Nexus” (2021) online legally? See US streaming options first, plus English-region fallbacks.

Scarlet Nexus first aired in 2021 • originally associated with Tokyo MX • 1 season • 26 episodes • around 24 minutes per episode • status: Ended.

If you searched for “watch Scarlet Nexus online” (2021), the safest approach is to verify legal availability in your region (US first, then English-region fallbacks).

It sits in the Animation, Action & Adventure, Sci-Fi & Fantasy space, which helps set expectations for tone and pacing.

Ratings vary by audience taste—check the synopsis and cast to see if it matches what you like.

This page includes season navigation, episode list, cast, trailer (when available), and legal provider hints to help you decide quickly.

Synopsis

Saved by the Other Suppression Force as a child, psychokinetic Yuito enlists in this elite team formed to fight Earth’s enemy. Meanwhile, prodigy Kasane was scouted for her abilities. Kasane’s dreams tell her strange things, dragging the two into an unavoidable fate.

Keywords

supernatural, survival, battle, based on video game, dark fantasy, anime.

Stills

Similar series

Fate/Grand Order Absolute Demonic Front: Babylonia, Gachiakuta, I'm Standing on a Million Lives, Devil May Cry, Record of Ragnarok, Darwin's Game, Alice in Borderland, Re:Creators.

Main cast

Junya Enoki

as Yuito Sumeragi (voice)

Asami Seto

as Kasane Randall (voice)

Tomomi Mineuchi

as Hanabi Ichijo (voice)

Marika Kouno

as Tsugumi Nazar (voice)

Ryota Takeuchi

as Gemma Garrison (voice)

Chinatsu Akasaki

as Luka Travers (voice)

Kengo Kawanishi

as Shiden Ritter (voice)

Yui Horie

as Arashi Spring (voice)

Yumi Hara

as Kyoka Eden (voice)

Daisuke Namikawa

as Kagero Donne (voice)

Official trailer