The Oshi no Ko Vol. 2 Weiss Schwarz booster box is a Japanese-language trading card game product containing 12 packs of 8 cards each, for a total of 96 cards per box. The set has 100 normal card types, with a parallel version of every card, and can feature voice actor-signed cards (like the Takahashi Rie Autograph Rare) and other rare cards such as SSPs and SPS. The cards are based on the Oshi no Ko anime and are designed for gameplay in the Weiss Schwarz TCG, with a Neo Standard construction classification for deck-building using cards with the "OSK/" prefix. 
Box and pack details
Box content: 12 booster packs
Pack content: 8 cards per pack
Total cards: 96 cards per box (12 packs x 8 cards)