The service is alright. They pretty much want you to eat and get out. I don't normally get the all you can eat because I don't actually eat that much for lunch. They have lunch specials which in my opinion worth a lot more! You get Bento boxes for roughly 6.99+ and you get soup, salad, sushi, rice and they are in big portions so its worth your money!
My go to lunch place when I meet up with friends. I would come here at 11:45 for lunch time though. It gets insane packed in here! Guess the food is good!