Called the “Aka Burger” (“aka” or 赤 means “red”), it comes in two types: Aka Samurai Beef and Aka Samurai Chicken.
Both are served on red buns and filled with red cheese and red tomatoes. The burgers are slathered in a spicy sauce made from chili peppers and chili paste. Burger King Japan is calling this an “ANGRY sauce” (their caps, not mine).
It will be put on sale July 3, the Aka Samurai Chicken is 540 yen (US$4.36), while the Aka Samurai Beef is more expensive at 690 yen ($5.57).