Ryuki is one of the chefs that appears in Suikoden II.
Ryuki is the fourth chef to challenge Hai Yo in the Cook-off Minigame. He is the older brother of Ryuko. He is sent by the Black Dragon Clan and poisons Barbara to force Hai Yo into a cook-off for the antidote. After losing, he gave to Riou the Recipe #19 (Pasta).