Hello,
Dao Chizen, Perhaps try your local Embassy or travel agency these people are very professional,they deal with many topics of travel also visa each day,They will have up to date changes or best information on hand,even using email to these places can be advantageous,at the end of the day get more than one opinion,go to more than one source,This is freedom of choice,make educated informed decision,Perhaps you could become Sumo or baseball professional to be awarded Citizenship in this way, both of these very popular in Japan.