The Japanese booster box for OP-14, titled "The Azure Sea's Seven," focuses on the Seven Warlords of the Sea and will be released on November 22, 2025. Each display box contains 24 packs, and each pack includes 6 cards, for a total of 157+1 card types in the set, including various rarities like Rare, Super Rare, and Secret Rare. This set is the first half of the EB-04 cards, which will be released simultaneously worldwide with the English version. 
OP-14 Japanese Booster Box details
Theme: The set is themed around the Seven Warlords of the Sea, featuring both new and classic members of the group and characters from their crews.
Release Date: November 22, 2025.
Contents:
A display box has 24 packs.
Each pack contains 6 cards.
Each box includes one box topper, with a total of 6 different types available across the set.
Card Pool: The set includes 157+1 card types, including Leader, Common, Uncommon, Rare, Super Rare, Secret Rare, Special Card, Treasure Rare, and DON!! cards.
Card distribution: Cards from the English EB-04 set will be split between this Japanese OP-14 set and the upcoming OP-15 set to prepare for a simultaneous worldwide release.