The sales figures for the debut week in Japan for Pokémon Ultra Sun and Pokémon Ultra Moon have been announced. The games debuted at the top of the charts taking the first and second spots. The Pokémon games sales absolutely crushed Star Wars Battlefront II which also was released on the same day. Sales though are down about 50% for Pokémon Ultra Sun and Pokémon Ultra Moon compared to Pokémon Sun and Pokémon Moon for their debut week in 2016.

Media Create Sales in Japan For November 13th to 19th, 2017

1. [3DS] Pokémon Ultra Sun / Ultra Moon (Nintendo, 11/17/17) – 667,439 (New)
2. [3DS] Pokémon Ultra Sun / Ultra Moon Double Pack (Nintendo, 11/17/17) – 247,782 (New)
3. [NSW] Super Mario Odyssey (Nintendo, 10/27/17) – 62,024 (714,308)
4. [PS4] Star Wars Battlefront II (Deluxe Edition Included) (EA, 11/17/17) – 38,769 (New)

Media Create Sales in Japan For November 14th to 20th, 2016

1. [3DS] Pokémon Sun / Pokémon Moon (Nintendo, 11/18/16) – 1,590,629 (New)
2. [3DS] Pokémon Sun and Pokémon Moon Double Pack (Nintendo, 11/18/16) – 151,379 (New)

Source: http://www.4gamer.net/games/117/G011794/20171122074/