Cons:
There were unfortunately a few issues. We arrived late (around 9.30) at the flat. They have a self-check in system not too uncommon for Airbnb flats. We were however sent the wrong guide and sent to the wrong flat. This is an easy mistake to make however it took an hour to get hold of anyone who could help us despite multiple calls. Not the worst thing if you are travelling alone but I had a hungry and sleepy toddler.

The pocket wifi included in the booking didn't work the entire time and the flat is dusty and fairly noisy being right next to the highway.

Positives:
All in the all an ok flat, had we not had the trouble at the beginning (or had it been fixed much faster) it would have been a relatively pleasant stay.
- The flat is conveniently located, just a short walk to Hattagaya station which gets you to the main districts of Shinjuku and Shibuya in under half an hour. There are also lots of great little restaurants and convenience stores a short walk away.
- The noise in the flat is ok, if you are a light sleeper (like me) make sure you bring earplugs so you can sleep through the night
- Other than the mishap at the beginning and the issue with the wifi Yuka and her flat management agency were very friendly and attentive.