Chef Seiji Yamamoto is fond of dragons. The walls of his restaurant and the 400-year old presentation plates are all adorned with these mythical creatures. Even the restaurant’s name, ryugin, means “singing dragon”, while Nihonryori translates as “Japanese cuisine”. Three Michelin star Nihonryori RyuGin (7-17-24 Roppongi, Minato-ku, Tokyo; tel.03-3423-8006) specializes in…