8 Biggest One Piece Mysteries That Still Have Fans Losing Sleep (And Their Minds)
From Joy Boy’s true identity to the secret of the One Piece itself — explore the 8 biggest One Piece mysteries that O…
Finished Airing
ONA PG-13 - Teens 13 or older
Leviathan
リヴァイアサン · 2025
StatusFinished Airing
SeasonSummer 2025
StudioOrange
SourceNovel
Watch
Trailer
Watch
Episodes
12- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
Cast
Characters
22
Crew
Staff
27ADR Director3
Art Director1
Character Design1
Color Design1
Director1
Director of Photography1
Editing1
Executive Producer3
Mechanical Design2
Music2
Original Character Design1
Original Creator1
Series Composition1
Special Effects1
Theme Song Arrangement1
Theme Song Composition1
Theme Song Performance1
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