One of the most delicious Matcha I've tried in Japan!
You can choose the intensity of the Matcha - if you're not very familiar with it, I wouldn't recommend going for the "Thick" one. Instead, try SHIRO - it's a bit lighter, making it easy for beginners to enjoy.
If you want to enjoy Wagashi (traditional Japanese sweets), a beautiful box with three different types of treats will be given to you. They are all delicious and have a similar texture and flavor, so just pick whichever one you like.
Google Maps says that they open at 10 am, but this is only on weekends. On weekdays, they open at 11.