The good: I will give this a 3.5 stars. I always get their houjicha soft serve ice cream and the tea flavor is very pleasant. You can definitely taste the flavor of the tea and the soft serve version makes it very enjoyable, whereas, I tried the houjicha tea from a friend and it was extremely strong. I recommend getting the ice cream for a nice balance.
The bad: It is a very small place and it may be hard to get a seat. This is more than your standard ice cream so the prices are slightly pricier but reasonable.