We had a great time at Hirotaka's place! It has a great location right in the middle of Shibuya and we loved the fact that we had to use Shibuya crossing every day to get to the apartment instead of just being there for the pictures.
The apartment itself has everything you need and the little rooftop terrace is wonderful to have breakfast in the morning!
In the building there is a jazz-cafe, so in the evening you may hear some jazz music. We didn't mind at all, but if you're looking for peace and quiet, Shibuya is not the place for you!
Hirotaka was a perfect host and we will definitely stay here again when we visit Tokyo in the future!