I bought a three-tiered hanging basket to store fruits and vegetables, and it made a huge difference in my elbow room. Another concern you might have is cost. Overall, if you come here expecting your apartment to be as comfortable as home, you will probably be disappointed. But if you expect the dimensions to be smaller and things to be a little less convenient, you'll be fine. You might even be pleasantly surprised.
Some JETs have huge houses to themselves or brand-new apartments with most of the comforts of home.
You will most likely have tatami, shoji and no central heating. If you're lucky, you might have a flush toilet and a shower. One major inconvenience you will have to learn to live with is frozen pipes.