The "Chicken de Ugly" is the final part of the trio of burgers, and it tastes better than it looks, Burger King says.
The Chicken de Ugly contains crispy fried chicken, smoky bacon, mayonnaise, and flavored pickles, sandwiched between buns that contain gouda, egmont, mozzarella, and cheddar.
Their unique appearance is largely down to these four-cheese buns.
The chain introduced its "Cheese Ugly Beef Burger" and "Chili Ugly Beef Burger" as limited edition menu items earlier this autumn.
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Burger King said they sold so well that it kept the products on sale for a bit longer.
The Chicken de Ugly launched Friday for 620 yen ($5.90), making it the cheapest of the trio.
Burger King Japan has been pushing out other unusual burgers in recent months — in October, the brand teased censored images of a perplexingly cheap 290 yen ($2.76) burger on social media, before revealing that the secret contents was, in fact, French fries.
The "Fake Burger" was available for just two weeks, and featured French fries and beef sauce sandwiched between burger patties.
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