Ruby Jack's Premium Seafood & Steak serves steak and seafood on the second floor of Ark Hills South Tower in Roppongi, Minato City, Tokyo. The kitchen grills a 300g Australian steak dry-aged in the restaurant's own aging room, and the menu also lists Caesar salad and Cobb salad. On weekdays, lunch is an express set with a choice of soup or salad, served with a beef hamburg steak, bread, and iced tea. The dining room has high ceilings and large windows, and there is terrace seating.