The "One Piece Card Game - Kingdoms of Intrigue" (OP-04) Japanese booster box is a sealed product containing 24 packs, with each pack holding 6 cards, for a total of 144 cards per box. It features cards from the Alabasta and Dressrosa arcs, including many new characters and cards that enhance two popular starter decks from August 2023. The set contains 124+1 card types, including Leader, Special, and Don!! cards, as well as various alternate art cards. 
Key features
Card distribution: Each box has 24 packs, and each pack has 6 cards.
Card types: The set includes 124+1 card types, such as Leader Cards (x6), Special Cards (x5), and Don!! Cards (x1).
Featured arcs: The set's theme is based on the popular Alabasta and Dressrosa arcs from the One Piece series.
New characters and enhancements: It introduces many new characters and includes cards designed to strengthen two specific starter decks (Monkey D. Luffy - [ST-08] and Yamato - [ST-09]).
Alternate art: The set contains both regular alternate art and themed alternate art cards.
Release date: The Japanese version was released on May 27, 2023. 
Important notes
Packaging: Japanese booster boxes are sealed with tape on the top flap, not shrink wrap.
Set composition: Due to the nature of booster packs, it is possible to receive duplicates, and it may be difficult to complete a full set from a single box.