The Emperors in the New World (OP-09) Japanese booster box commemorates the One Piece Card Game's second anniversary and contains 24 packs, each with 6 cards, for a total of 126+1 card types. The set features powerful "Four Emperors" cards, including manga art rares for Luffy, Shanks, Blackbeard, and Buggy, along with other special cards like a golden manga art rare of Gold D. Roger and a special Luffy (Gear Five) wanted poster. The box is a sought-after collectible for its high-end alternate art and parallel designs, and there is a chance to pull a "god pack" with all leader alternate art cards. 
Box contents and composition
Packs per box: 24
Cards per pack: 6
Total card types: 126+1
Rarity breakdown:
Special Cards: 10
Leader Cards: 6
Secret Rare: 2
Super Rare: 10
Rare: 26
Uncommon: 30
Common: 45
Don!! Card: 1 
Key features
Commemorative set: Celebrates the One Piece Card Game's second anniversary.
High-value cards: Includes rare manga art cards for Luffy, Shanks, Blackbeard, and Buggy, plus a chance for an ultra-rare Gold D Roger manga card and a special Luffy (Gear Five) wanted poster.
Alternate art and parallel cards: Features luxuriously designed cards with alternative art and parallel designs, including the new "Four Emperors" on leader cards.
"God pack" possibility: A rare "god pack" contains all leader alternate art parallel cards in a single pack.
Japanese language: All cards are in Japanese.