Kit Kat and Tokyo Banana have released a limited-edition chocolate wafer only at Tokyo Okashi Land, Tokyo Station.
The products combine milk chocolate and banana cream, recreating the flavour of Tokyo Banana. Chocolate boxes are also stamped with the distinctive Tokyo Banana bow logo.
The local market-only release saw customers queuing outside the store to buy a box of the confectionery.
The kiosk houses large screens showing the product and multi-lingual signage explaining the story behind it.
Despite being limited edition, Nestle assures fans the Tokyo Banana Kit Kat is supplied in sufficient quantity to meet the huge demand.
The product comes in two sizes, with packs of eight sold at ¥702 (US$6.24), and packs of 15 at ¥1296. The wrapped package includes a pair of chocolate wafer bars with a tiny banana mark, the words “Tokyo Banana” and bow logo on top.
The product will be Introduced later at stores including airports, train stations and highway rest areas around the Kanto region.