And if you are talking about the video shop with private compartments 金太郎 Kintarō in the right building, the correct address is 東京都新宿区歌舞伎町1-7-7 1F. Google マップ
The address in your initial post is the one for an internet/manga cafe マンボー歌舞伎町さくら通り店. マンガ喫茶マンボー 店舗詳細