Didn't meet the host but there is no single thing to complain. He was fast in respond, everything is explained in pdf guide, location is few minutes from Golden Gai and Red light district in the center of Shinjuku. Apartment is small but perfect size for one person, maybe two, and its ok to have place for oversleep. Its good position if you want night life in Shinjuku and go home whenever you want by foot without chasing any public transport or taxi.