The cabin bed is really comfortable so if you appreciate your privacy, rest assured because it doesn't feel cramped at all. The hostel has a female dorm and a mixed dorm (hence the different listings on the website), and the female dorm has its own toilet and sink so you only really need to visit the shared shower rooms for bathing. I have no problems with the bed, and the hostel is a short walk away from main tourist district in Asakusa (which I haven't visited myself, but walked past). All in all, a pleasant stay and I would love to come again for future trips to Tokyo. Thank you Gomezさん!