Yu-Gi-Oh OCG: Collectors Pack 2017 [CP17] (Japanese)

There are 5 cards per pack:

15 packs per Japanese box.
30 packs per Korean box.
The set contains 45 cards, including:

4 Ultra Rares
5 Super Rares
10 Rares
26 Commons
In the Japanese version all Super Rare and Ultra Rare cards come in Collectors Rare.