From the hot anime show, ".hack", its .hack//SIGN Trading cards and the .hackThe World trading card game.
Consists of 14 cards in each pack featuring 7 cards of the .hack//SIGN animation and 7 of the trading card game .hack//
You may purchase a box package (¥ 6000 w/o tax) contains all 171 types.
171 different cards and 6 rare cards in the series (TCG 90 cards and TC 81 cards).
.hack//SIGN Trading Cards: 81 types (including 6 special cards)
The World Trading Card Game: 90 types
List of cards: http://www.happy-pocket.net/fan/hack/card.htm