Pros:
Few minute walk to Iogi station.
Room looks bigger than what it looks like in the pictures.
Close to alot of restaurants and convenience stores.
Clean
Cons:
The place is located outside of Tokyo, takes around 20-30 minutes by train (Seibu-Shinjuku line) to get to the place from Takadanobaba station.
The building is right beside the train tracks so passing trains can be bothersome at night when you're trying to sleep. (We didn't really mind)
Overall: We liked the place and would recommend. If you don't mind the travel time to get to and from Tokyo and the passing trains at night then it's good.