TIL Kit Kat is so popular in Japan that it is sold at high-end department stores, Kit Kat only specialty shops, and post offices. Nearly every region has a signature flavor sold
What's Up with KitKat in Japan? – National Geographic Education Blog
Japan's Newest Kit-Kat Will Blow Your Mind
Japan's Kit Kat Craze has Become Kit Kat Culture - Japanalytic ™
Cracking the Secret: The Irresistible Popularity of Kit Kats in Japan – OMG Japan
All the kinds of KitKats I got in Japan (types in comments) : r/ mildlyinteresting
A Japanese Fast Food Chain Is Now Selling Kit Kat Sandwiches
How the KitKat became a phenomenon in Japan
Why are Kit Kats so popular in Japan
We Tried Some Of The Craziest Kit Kat Flavors And These Were The Absolute Best
Japanese Kit Kats: Winning flavour from worldwide competition finally unveiled
Japanese Kit Kats: Winning flavour from worldwide competition finally unveiled
Has anyone tried the Kit Kats from Japan? If you have, which ones do you like? - Quora