The food is varied and tastes very authentic. All staff are Japanese and the no tipping policy makes it so easy - even if tips already included in pricing (Which means they pay their staff better than a poor waiter's wage), it really is super value for money for the food you get. Tea is complimentary. I was eating solo after a long day of shopping and sitting at the sushi bar is great - you can watch the chefs at work making sushi, okonomiyaki (pancakes filled with seafood), and working the grill. If you are looking for a great restaurant in the E 40s (let's face it that zone is dead after 7pm), come to Restaurant Riki!