is a fast-food chain on Okinawa Island, with five restaurants in and around Naha (Yonabaru, Tomigusuku, Nishihara). They sport a menu featuring many homemade Okinawan specialties such as gōyā burger, "Nūyaru" (gōyā and pork burger), hamburgers with a filling of SPAM and bitter melon omelet. They also have fried gōyā rings, similar to onion rings, and gōyā juice. Besides these more Okinawan-tailored offerings they also have normal ham- and cheeseburgers. The first restaurant opened on January 29, 1986. See also List of hamburger restaurants External links Jef Official Homepage 1986 establishments in Japan Companies based in Okinawa Prefecture Fast-food chains of Japan Fast-food hamburger restaurants Okinawan cuisine Restaurants established in 1986