There is in the Shinjuku Tourist Information.
You can get various guidebooks, maps,sightseeing information, free Wi-Fi, currency exchange and so on.
10:00am-7:00pm（Open all year except from December 29th to January 3rd）
◆ Discounts and tickets with regular price to the performances on that day
◆ Discounts and tickets with regular price to the performances on the next day
◆ Available genres: public performances, concerts, cultural experience, amusement facilities, art exhibitions, cinema, sports etc (some irregular ones available)
※Please check the display at the storefront regarding concrete lineup
※Cash cannot be accepted
Address:3-37-2, Shinjuku, Shinjuku-ku, Tokyo.
◆A One-minute walk from the Shinjuku Station South East Gate.
◆A two-minute walk from the Shinjuku-sanchome Station on Tokyo Metro Marunouchi Line, Fukutoshin Line and Toei Shinjuku Line.