Great house and quite area. Clean rooms and comfortable beds.
24H FamilyMart / 7-11 are in 5 mins walking distance.
Train is the best suggestion for getting to Shinagawa station without luggage since it take almost 20 mins by walking. You can walk to Shimbamba station in 10 mins and take train to Shinagawa in 5 mins.
A few restaurants are located near Shimbamba station.