Things to Do in the First Week
Upon moving in
Greetings are an important facet of life in Japan.It is suggested that you introduce yourself to those people living directly next to you.
In Japan there is also a tradition of giving small gifts such as soap or towelswith your name written on the outside of the package, though just a spoken greeting is sufficient.
Typical greeting in Japanese:(English translation)
I am (your name). I will be living in apartment number (room number).I'm pleased to meet you.