Beyond the original manga and anime, the franchise has expanded into:
The series shares several striking thematic and structural similarities with One Piece :
: It can be significantly darker than Mashima's previous work, Fairy Tail , often dealing with mature themes of mortality and existentialism. Edens Zero
"Deep Piece" is a common fan term for , a space fantasy manga and anime series by Hiro Mashima (the creator of Fairy Tail ). The nickname stems from the series often being described as " One Piece in space ". Core "One Piece in Space" Comparisons
: While rumors of a Season 3 have circulated, Hiro Mashima clarified in early 2026 that no official decision has been confirmed yet. Beyond the original manga and anime, the franchise
While the "Deep Piece" label highlights these similarities, Edens Zero carves out its own identity through:
: Just as Luffy seeks the One Piece, Shiki Granbell and his crew sail the starship Edens Zero to find Mother , a legendary cosmic goddess who can grant any wish. Core "One Piece in Space" Comparisons : While
: An action RPG developed by Konami was released in July 2025 . It features a vast open world of the planet Blue Garden and a deep RPG layer for character customization.