This place is well suited for anyone who wants to experience Japan on a budget. The room itself is stylish, functions well and is very affordable. While small compared to a luxury apartment, it offers more room for a better price than regular hotels. As long as you can be polite and quiet at night, the room affords a relaxing personal space to collect your thoughts, eat some convenience store food and get a good night's sleep.
On top of that, the hosts are very kind and helpful. Their English is very good and being native Japanese speakers allowed me to test out my Japanese. If you have any uncertainties or problems while in Japan, Ken and Kazumi will do their very best to help you out, even if you don't speak a word of Japanese.
Being located in Kita-ku makes it separated from the usual tourist attractions, but that never stopped us from making the best out of Tokyo thanks to the robust transportation system and good proximity to Kita-Akabane station. You'll find the location to be calm, safe and with multiple options for groceries and daily life goods. As it isn't a particularly touristy area, there might be people who you can't converse effectively with if you don't know at least some Japanese, so you should keep that in mind.
If living the Japanese apartment life sounds up your alley, this place is perfect. It might not be the flashiest room or the closest to all the major attractions, but I felt like I got a genuine Japan experience with plenty of support.