Product Introduction The popular smartphone game "Project Sekai Colorful Stage! feat. Miku Hatsune" is now available in Weiss Schwarz! The booster packs are released on the same day as the following five Trial Deck+ (Plus) products, so you can immediately strengthen the Trial Deck+ (Plus) of your favorite units: Leo/need, MORE MORE JUMP! Night Code. This product is sold in a box. 1 box = 16 packs. 1 pack = 9 cards. Not all cards are available in one box.