Activewear brand will open Covent Garden pop-up for four weeks from February 28.
Four fictional locations appear in London, Blackpool, Essex and Scotland.
Special event will be promoting the upcoming Detective Pikachu movie.
Covent Garden Kawaii specialist hosting store takeover this weekend.
Branded afternoon tea at Covent Garden venue part of 25th anniversary plans.
LEGO Santa Express rolls into Covent Garden, while his sleigh heads to Liverpool.