Location is great, easy to access to Nishi-Shinjuku station, Shinjuku district and a good exercise to walk to Meiji Shrine in Yoyogi Park.
Chi-Yuen's place is located in a quiet neighborhood but yet surrounded by small and cozy restaurants, convenience stores and vending machines where you can purchase drinks with reasonable prices.
The place itself has most things that we need, you can ask Chi-Yuen if you want to borrow pots for cooking.
I would recommend Chi-Yuen's place to anyone who coming to Nishi-Shinjuku and areas near by.