Episode 2: “Ultramarine”
- 2 of 12
- October 9, 2013
- 24 min
- Aired
| Series | Beyond the Boundary |
|---|---|
| Episode | 2 of 12 |
| Japanese | 群青 |
| Original air date | October 9, 2013 |
| Episode length | 24 min |
| Studio | Kyoto Animation |
| Previous episode | Episode 1: “Carmine” |
| Next episode | Episode 3: “Moonlight Purple” |
| Streaming | Crunchyroll, Netflix, Prime Video, Hulu +1 |
“Ultramarine” is episode 2 of the anime Beyond the Boundary. It first aired on October 9, 2013.
Summary
The summary below describes what happens in this episode.
Akihito and Mirai Kuriyama confront a youmu, which Mirai drives outside before pursuing it to a playground. After striking near its eye, she hesitates to finish the fight, but Akihito warns that abandoning it will worsen her financial situation. Mirai removes her ring to strengthen her powers, uses her corrosive blood to immobilize the creature, and destroys its eye, producing an ultramarine crystal.
Characters in this episode
Where to watch
Streaming services that list Beyond the Boundary. What you can watch depends on your country. Acino does not host any video; each link leads to the service's own page.
Episode guide
All 12 episodes → · 9 of 12 episodes have a summary
About the series
A school-set supernatural action series, Beyond the Boundary follows a young spirit-world warrior and a student who is part human and part youmu. Their unusual first encounter leads to an uneasy alliance, while the story’s distinctive central tension comes from Mirai Kuriyama’s attempts to fight Akihito Kanbara…
Read the article →References
- “Beyond the Boundary”. Kitsu. Retrieved October 22, 2026.
- “Kyoukai no Kanata”. MyAnimeList. Retrieved October 27, 2026.
Episode titles and air dates come from Kitsu. The summary is written by Acino with AI assistance and checked so that it does not copy other sites.