The Kansai International Airport Pokémon Store,
which first opened on June 26th, 2014, will be expanding its floor space from the current second floor of terminal building 1 to include a new area on the 3rd restaurant/shop floor. There will be more goods than ever to purchase at the Pokémon Store and the new store space will be open until 21:30JST to be more convenient for shoppers.
Source:
https://www.pokemon.co.jp/info/2018/08/180810_p02.html