Had a 2 weeks stay at Sei's airbnb house with my 4 friends. The apartment is just nice for the 5 of us as long as you arrange your items and luggages neatly. It is housed in a very convenient part of Tokyo, especially near to Shinjuku and Shibuya! The house has all the items you need, and the bed was comfortable and neat. The portable wifi provided was useful to us as well.
The surrounding area has lots of convenient stores and thus it is extremely easy to get an early breakfast and drink. Food in the area are delicious, cheap and affordable! The walking distance from the station to the house is quite a bit of distance, but along the way there are many interesting shops and restaurants that you will get by.
The host is kind and fast to response. When our microwave broke down, it was replaced quickly. My friends and I loved the house! Definitely recommended!