At the title screen, go to download and when you get connected, enter these codes to get certain items. Note: Entering these codes are the only ways to get these items

Password - Result:

zoeuiss - A Genbu 6 dan Bugei
ydkvcex - A Seima Accessory
ptiuquc - Byakko Kenpu 31*
qucmtkb - Kirin Kenpu 31*
rkjulvj - Miracle Sword - Attack +14
aietmaw - Seima Accesory
jticgek - Seima Bracelet
lfiynvg - Seima Ear Ornament
otkciet - Seima Hair Pin
xktmvut - Seima Ring
kakeiti - Seiryu Kenpu 31*
myuicei - Suzaku Kenpu 31*