Bonus items that different CD shops are giving away for purchase of THIS IS HOW WE ROCK
TOWER RECORDS (including online purchase) - original can badge
TSUTAYA - A2 sized original poster
Others (like HMV , Amazon Japan , Neowing {CDJapan} , Sony Music Shop) - sticker
http://www.sonymusic.co.jp/artist/spyair/info/469497