When talking about the history of ramen in Tokyo, people from Nagano Pref. play a major role. The “Marucho” group was started by several people from Nagano Pref.. Other branches of the group include “Taishoken” and “Marushin.” And this “Ryoga” is a new brand of a capable shop that operates 4 brands and 8 shops (plus 5 franchise shops) mainly in Matsumoto City in Nagano Pref..