I stayed just for one night in the female-only room, the bed was actually really cozy and they had the heater on so no warm clothing was needed.
Since I am a foreinger who just arrived Japan i am not quite familiar with train Transportation or the neighborhood but i think if you arrive at asakusabashi St. its about a 10 min walk (nonetheless if you are not good with directions like me, make sure you arrive at the station no less than 15 o 20 min before in order to get there in time).
good wifi service, there are toilets and in each floor just by the rooms, and the showers are on the 4th floor.. they were super clean no complains about that.
The host was really really great and everyone working there makes you feel like you just arrived home, I will be sure going back next time Im staying in Tokyo.