IF YOU DON’T CREATE YOUR USERNAME THE CORRECT WAY YOUR ACCOUNT WILL BE DELETED AND YOU WILL HAVE TO REGISTER AGAIN.
ALSO: DO NOT USE KANJI OR KATAKANA WHEN YOU REGISTER, AND BE SURE TO INCLUDE BOTH YOUR FIRST (GIVEN) NAME AND LAST (FAMILY) NAME. IF YOU USE KANJI OR KATAKANA OR DON’T INCLUDE YOUR FIRST (GIVEN) NAME AND LAST (FAMILY) NAME YOUR ACCOUNT WILL BE DELETED AND YOU WILL HAVE TO REGISTER AGAIN.