Customers only get 30 minutes to eat as many hamburgers, fries or onion rings as they possibly can.
The special runs through the end of November. The buffet is in honor of the chain's 5th year in the country.
BK Japan has already introduced the pumpkin burger, the black bun burgers and five-patty Whoppers.
We're asking Facebook fans this morning if the burger joint has gone too far? Do you think something like this will catch on in the US?
