A Japanese bookstore Kinokuniya, also known well overseas, will be opening a Japanese tea cafe on the 1F of their Shinjuku branch on December 5th. The name of the cafe is Kinochaya.
There are many bookstores that have a cafe but Kinochaya specializes in Japanese tea such as green tea and hojicha tea. They will be serving lattes, parfaits, and soft ice cream of those tea flavors as well.
Kinokuniya Book Store Shinjuku 1F
3-17-7 Shinjuku Shinjuku-ku, Tokyo
Shinjuku Station East Exit