Question: what fast food restaurants are in japan?
Answer: Yoshinoya. Yoshinoya is a chain of beef bowl (gyūdon) restaurants in Japan. ... 
Matsuya. Matsuya is one of Japan's biggest fast food chains with 833 locations. ... 
Freshness Burger. Locals often just call it Freshness. ... 
MOS Burger. ... 
Lotteria. ... 
Sukiya. ... 
First Kitchen. ... 
Jef.