I did this recently, as I remember, they charge about 650 for the registration, and about 350 for each copy of the registration certificate. For new faculty, the General Affairs Office arranges for the personal seals. In many cases their will be considerable ambiguity about transposition, so you should choose one way and stick with it. It will be a part of your persona for several years. There are few towel dispensers or hand drying devices.
Japanese women seem to carry their own small towel.
The varieties of toilet architecture, aroma, and scenery should be sampled throughout the country as an essential component of your Japanese experience. So, think of using squat toilets as not only an educational but also a virtuous activity. The first thing you should do is take a few precautions against accidents. Always carry a pack of tissue. Empty your pockets of valuables so that you won't have to retrieve them later from the watery grave.