A new news article has been posted!
The official Japanese Pokémon website has announced that a new Pokémon Center and a Pokémon Cafe will open on Wednesday, March 14th, 2018 on the 5th floor of Nihonbashi Takashimaya S.C. East Building. The
Pokémon Center Tokyo DX and Pokémon Cafe (ポケモンセンタートウキョーDX & ポケモンカフェ) location will be the first permanent cafe to open and patrons will be able to buy Pokémon food and drinks w anytime! Pokémon Center Tokyo DX goods will be available for the opening as well as fun events! Parking is very limited at this location and it is recommended to use public transport. It is only a 5 minute walk from JR Tokyo Station from the Yaesu North exit.
Source:
http://www.pokemon.co.jp/info/2017/11/171130_p01.html?top_main004=msign