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
TV PG-13 - Teens 13 or older
Haibara's Teenage New Game+
Haibara-kun no Tsuyokute Seishun New Game · 灰原くんの強くて青春ニューゲーム · 2026
StatusFinished Airing
SeasonSpring 2026
StudioStudio Comet
SourceLight novel
Watch
Trailer
Watch
Episodes
12- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
Cast
Characters
15
Crew
Staff
50Art Director1
Assistant Producer4
Associate Producer2
Background Art1
Character Design1
Color Design1
Director1
Director of Photography1
Editing1
Executive Producer2
Music1
Original Character Design1
Original Creator1
Planning9
Producer10
Recording Assistant1
Series Composition1
Sound Director1
Sound Effects1
Theme Song Arrangement2
Theme Song Composition3
Theme Song Performance2
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Community
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