Ryudiki Private and Party Space is a popular restaurant and party venue in the Nihonbashi neighborhood of Tokyo. This unique space is designed to impress guests. Ryudiki is divided up into dining and party rooms. Some are simply more contemporary and laid-back, while others are more intense. One even has a surrounding aquarium, complete with deepwater fish. Ryudiki provides customers with the options of pre-designed, multi-course meals or an a la carte option. Menu items include New Zealand bone with spring lamb grilled honey mustard sauce and red sea bream and scallop grilled lemon lime sauce.