There are many positive's to Sho's place: cozy/homely room, great location, communicative host, thorough guidebook. We also really enjoyed having Netflix available on the tv and the pocket wifi provided was a huge help for our stay in the city.
The one negative we experienced was regular noise from the room above which interrupted our sleep. The ceiling is not very soundproof and, unless the guests above are very light on their feet, every footstep comes thudding through. This can be tolerated during the day, and we were going to sleep about midnight, but when the people above are moving around at extremely late or early hours (eg. early check out, jet lag!), we were awake with them!
I have communicated this to Sho so hopefully it can be sorted with reminders in his already very thorough guidebook!
If this issue can be resolved I think this would be a very good Air BnB apartment.