ADDRESS

Seth Carlson
MG Okusawa House, Room #107
1-41-12 Okusawa Setagaya-ku, Tokyo 158-0083

Write it just like that. :-)

Just an fyi....I am not expecting a package at all, only letters :-)

But if you do send a package, make sure you declare it to be less than 10,000 Yen so I don't have to pay duty on it.