I can not say enough great things about this restaurant! The sushi bar is often filled with regulars - I can not recall a time when I have not bumped into someone I know there or met someone new to call friend. The sushi is the best I've ever had! Excellent quality, very clean restaurant, slightly slow drink service but the food more than makes up for it! Personally I love the Spicy Tuna, Albacore w/ Green Onions sushi, Dynamite, Oysters, Shrimp Tempura & their salad with Miso Dressing is fabulous! Also - if you are nice to Yoshi you can ask and see if she made some of her fabulous Creme Brule (which isn't on the menu, you have to know to ask for it - but it's fabulous!) Also their lunch specials are quite a nice value!
I have also had the privilege of having my birthday there two years in a row - The first year I had a slightly smaller party but EVERYONE raved about how wonderful the food, value and atmosphere was. This past year I couldn't think of a better place after how wonderful the prior year was. I had three times as many people attend and they opened up early just for my party and EVERYONE raved about how wonderful the food was, how thoughtful the staff was and what a great value it was!
I can not say enough wonderful things about this place! When I lived in Chino Hills I was there at least twice a week - now that I'm in Walnut, I'm there at least once a week and it's worth the drive every time!