DomDom Hamburger - Sasaoka is a hamburger chain inside Aeon Style Sasaoka in Sasaoka, Chuo Ward, Fukuoka. It serves a natural cheeseburger and an okonomiyaki burger, along with limited-time items such as a crab burger and a soft-shell burger. The chain opened its first store in 1970 as Japan's first hamburger chain, and this location is its only remaining store in Kyushu, open from 10 a.m. to 8:30 p.m. The fries are sometimes cold or greasy, so check their condition when ordering.