I ate here recently with a large group and got to try a number of their house rolls. I also ordered some nigiri off of the late night menu. The rolls were very tasty and varied. The nigiri was just average. The cuts ranged in my order from the unagi being very tiny to an adequate sized hamachi. Flavors and freshness were not bad, but also nothing to get excited about. The nigiri on their late night menu is cheap, starting at $2.50. The hamachi nigiri came automatically with jalapeno on it which is not a traditional preperation and not mentioned on the menu. Don't get me wrong, I like jalapeno but at least give me a choice in the matter.
This particular location is on the other side of town from where I live and I actually think the east side Osaka is much better quality the few times I have been there. Because of that and the middle of the road experience, I don't really have any reason to go back. If you're looking for a great experience in this area head to Yummy Sushi which is right down the street. Very fresh fish including a good selection of live items.