THIS IS WHY I LOVE JAPAN!!! Kit Kat Store Tokyo Kit Kat has just opened it first store in Tokyo. Kit Kat is famous in Japan with many exciting flavours to choose from that can only be found in Japan. Check out our previous post about Kit Kat here: Kit kat and Japan. The new Kit Kat shop, called Kit Kat Chocolatory, is located in the Seibu department store located in Ikebukuro.