百人一首

ひゃくにんいっしゅhyakuninisshu

noun

1. (Ogura) Hyakunin Isshu
2. classical Japanese anthology of one hundred Japanese waka by one hundred poets
3. hyakunin isshu karuta
4. hyakunin isshu poetry cards
5. deck of 200 cards, the 100 waka of the Hyakunin Isshu split between them, to be matched together during the game

Study it in Yanamino