Shinjuku Daikan Plaza A-kan 新宿ダイカンプラザＡ館
Appartment : 621 or 821
7 Chome-1-7 Nishishinjuku, Shinjuku-ku, Tōkyō-to 160-0023
1 minute walk from Shinjuku-Nishiguchi Station on Oedo Line, 3 minutes walk from Seibu-Shinjuku Station on Seibu Line and 5 minutes from Shinjuku Station on Yamanote Line and Tokyo Metro.
From Yamanote and Marunochi Line, you follow the West exit, then the Seibu Shinjuku Square sign and take the exit B14.
The office is a place he is renting by the hour. Please don’t send anything there.
Please note that the Google Maps location shows the back of the building!