Restaurant Chateau is a Japanese restaurant on the 12th floor of KKR Hotel in front of Osaka Castle. It serves lunch sets that include sushi and weekday sets with fried shrimp and hotel-style beef curry. Large windows look down on Osaka Castle and its moat, and the restaurant is about a 10-minute walk from Osaka Castle. On the evening of January 24, food was ordered in advance and came out right away.