
Regular RocketNews24 readers will no doubt already be aware that fast food chains in Japan like to mix things up every so often by giving their buns a splash of colour. In the past 12 months alone, we’ve seen McDonald’s present a Sakura Pink teriyaki egg burger in time for the cherry blossom, and last October Burger King rocked a Black Ninja Burger which sported charcoal-black buns and a huge tongue-like slab of bacon.
This week, Burger King has taken its worship of the darkness a step further with two more jet-black offerings: the Kuro Diamond and Kuro Pearl, which feature not just black buns, but slices of cheese and a tangy sauce that look dark enough to swallow any would-be diners whole.
On sale from September 19, these two dark, meaty giants are not messing around.
First up is the Kuro (black) Diamond Burger, which as well as its bamboo charcoal-infused black buns and cheese (seriously, black cheese!?) comes topped with onions, tomato, lettuce, mayonnaise and Chaliapin sauce, a mixture of onion and garlic curiously named after Russian opera singer Feodor Ivanovich Chaliapin and to which Burger King has added squid ink into to turn pitch-black. Oh, and rest assured darkness fans: the patties may look normal, but they too include a generous helping of black pepper.
The simpler Kuro Pearl Burger, meanwhile, looks to be exactly the same as its Diamond brother, minus all the colourful trappings. And for that exact reason it looks far more menacing in our opinion.
The burgers will be on sale for limited time only, retailing for 690 yen (US$6.40) and 480 yen, respectively. Get ’em while they’re hot and a bit frightening to look at!
Source: Narinari, Burger King Japan



Red is the new black (burger) as Burger King rolls out sandwiches with crimson buns and cheese
Burger King Japan unveils a black ninja burger that licks you back
Why does Burger King’s black burger turn poo green in the U.S. and the U.K., but not Japan?
Burger King Hopes Once You Go Black, You Never Go Back with their new Kuro Burger
We Made a Big Black BigMac
New Japanese overnight train coming to connect Tokyo with Tohoku in sleep-travel style
Japan’s cheap beef bowl chain goes upscale with Matsuya Premium, but is it worth the higher price?
7-Eleven Japan joins the craze for Korean Gamja Cheese Balls
Two of Kyoto’s famous temples tackle streetside trash with solar-powered trash cans
Starbucks Japan releases special limited-edition summer drinks… at only 30 stores
Lawson transforms convenience store food with massive katsu burger and an insane curry bread
Sanrio Hotel Floria isn’t actually a hotel, but it’s still a must visit for fans traveling in Tokyo
East Japan Railway announces plans to abolish magnetic-strip tickets
Anne Hathaway creates PR frenzy in Japan after mentioning Tottori in Devil Wears Prada interview
New Square Enix Cafe reveals Final Fantasy, Dragon Quest, Nier, and Fullmetal Alchemist menu items
Japanese rice cooker recipe gives us a tasty new way to enjoy vegetables and wieners
Family Mart commits “reverse fraud” in new Giant All-Star Festival, and we couldn’t be happier
New Tokyo sweets shop offers 648 different mochi ice cream dumpling combinations
Even at twice regular Daiso price, this handy item is still great for summer travel in Japan
Ghibli’s No Face continues to demonstrate his generous character growth by dispensing soy sauce
Colour Hunting: The hot new street photography trend changing how we see Japan
Tokyo’s life-size Gundam anime mecha statue will be removed this summer
Kanji ice cream becomes a sell-out hit in Japan
Uniqlo reveals third round of massive 100-year-anniversary manga T-shirts for Jump’s Shueisha
New official Ghibli anime food cookbook will teach you how to make Ponyo’s ramen and more
Ichiraku Ramen-inspired ramen sets from Naruto anime pay homage to Naruto, Sasuke, and Sakura
Japanese convenience store Lawson launches new “mini supermarket” chain, L Minimart
Japan’s real-world Pokémon hot spring’s first photos are here![Photos]
Kyoto public junior high school becomes first in Japan with a hoodie school uniform
Japan’s human washing machines will go on sale to general public, demos to be held in Tokyo
Starbucks Japan releases new drinkware and goods for Valentine’s Day
We deeply regret going into this tunnel on our walk in the mountains of Japan
Starbucks Japan releases new sakura goods and drinkware for cherry blossom season 2026
Japan’s newest Shinkansen has no seats…or passengers [Video]
Major Japanese hotel chain says reservations via overseas booking sites may not be valid
Put sesame oil in your coffee? Japanese maker says it’s the best way to start your day【Taste test】
Japan reportedly adding Japanese language skill requirement to most common foreigner work visa
Japan’s 5.3 million beautiful Hitachi Nemophila flowers are now in full bloom[Photos]
Pokémon and Ikea Japan cross over into each other’s worlds with collaboration events
McDonald’s unveils latest Black Burger – the Spicy Korean Burger 【Video】
Burger King’s new all-cheese The Real Cheese Burger looks crazy, sort of makes linguistic sense
Burger King releases its first-ever “buns-free” burger in Japan
Burger King adds Clown Fries and craft buns soaked in butter to menu in Japan
Burger King has answer to summer heat: copious amounts of meat and garlic
Burger King releases the King Yeti on Japan
Make a Burger King Whopper at home with new CooKING Burger @Home delivery set
Burger King Japan unleashes red burgers and Angry Sauce on my stomach 【Taste test】
Craving cheese? Try Burger King Japan’s hamburger cheese fondue!
What’s for breakfast at Burger King Japan? Spamburgers!
Does Burger King’s Ugly Beef Burger taste as bad as it looks?
Burger King Japan’s Strong Magma Super One Pound Beef Burger has us quaking in our boots
Black-bun Squid Devil Burger set to shock Japan with tokusatsu-inspired delicious evil
Is Burger King’s Big Mouth Burger really as overwhelmingly meaty as promised? 【Taste test】
Burger King Japan’s new Crown The One Pounder is like a cheeseburger on steroids