This product features "black buns" that are kneaded with bamboo charcoal. Wapper-sized (about 113g (3.99oz)) beef patty, big-sized "King's bacon" protruding from the buns, and wide-sized "hash brown" are sandwiched, and it is said that they are seasoned with the original "black-brown Chaliapin sauce". It is an "evolved type" of the "black burger" sold last year.
The single item price is 680 yen, and the "Drink M Combi" is 830 yen. In addition, if you purchase Drink M Combi at "Coca-Cola Zero", you can get another drink for free, and if you purchase Drink M Combi or higher, you will get a "Black NINJA Character" logo sticker.