Well, I did it in the past, and received Alien Registration card without visa in the in 2002, wasn't easy. Just wanted to see if anyone else have similar experience as I do. I am not plan to bet on my luck again.
I do have American passport, which allows 3 month stay without visa, I think I should apply for a visa at Japanese Consulateust just in case, but what kind of visa should I ask for. All I need is 1~30 additional days to make it past 3 month. I travel all the time, so it is a no concern for me.