Orange · Summer 2025
Finished ONA Synopsis Set in a war-torn reimagining of 1914, Leviathan follows Alek, a fugitive prince of the Austro-Hungarian Empire, and Deryn Sharp, a daring young girl disguised as a boy to serve in the British Air Service. When fate throws them together aboard the HMS Leviathan, a massive, living airship made from genetically engineered creatures, they embark on a world-changing adventure that will challenge every…
Also known as سفينة ليفايثان · Léviathan · Λεβιάθαν · 리바이어던 · Leviatã · เลวีอาธาน ปฐมบทมหาสงคราม · Lewiatan
Aviation100% War100% Steampunk97% Military95% Historical87% Full CGI80% Foreign79% Travel79% Female Protagonist73% Animals72%
⚠ 2 spoiler tags - click to reveal Royal Affairs Tomboy
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Jul 2025 – Jul 2025
This series has finished airing — Jul 2025.
Characters & Voice Actors All16 Main2 Supporting14 Background0
Natsumi Fujiwara
藤原夏海
Japanese Fairouz Ai
ファイルーズあい
Japanese Shunsuke Sakuya
咲野俊介
Japanese Genta Nakamura
中村源太
Japanese Tesshou Genda
玄田哲章
Japanese Show all 16 characters Staff Christophe Ferreira
Director
Yoshimi Ude
Voice Director
Keith Thompson
Original Character Design
Yoshiki Sakurai
Executive Producer
Justin Leach
Executive Producer
Scott Westerfeld
Original Story
Paulina Jankowska
ADR Project Coordination (Polish)
Takeshi Ogawa
Special Effects
Ratings Average 6.6 / 10
Mean 67%
Popularity #6,648
Favourites 64
Score Distribution
10 20 30 40 50 60 70 80 90 100
User Activity 6,648 total users
Details Format ONA
Status Finished Airing
Episodes 12 episodes
Duration 25 min per episode
Aired Summer 2025
Aired Jul 2025 – Jul 2025
Source Other
Country JP
Hashtag #リヴァイアサン
Studio Orange
Producers Qubic Pictures
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Leviathan — AnimeX
