Oricon Weekly - Albums (1/7/2013~7/7/2013)
*1 172,712 172,712 BUMP OF CHICKEN - BUMP OF CHICKEN I <1999-2004>
*2 168,262 168,262 BUMP OF CHICKEN - BUMP OF CHICKEN II <2005-2010>
*3 *45,165 171,239 Kyary Pamyu Pamyu - Nanda Collection
*4 *20,985 *20,985 Yanagi Nagi - euaru
*5 *19,156 528,103 B'z - B'z The Best XXV 1988-1998
*6 *18,954 515,197 B'z - B'z The Best XXV 1999-2012
*7 *18,538 *93,021 May J. - Summer Ballad Covers
*8 *16,942 *16,942 GACKT - BEST OF THE BEST vol. 1 -MILD-
*9 *16,326 *16,326 GACKT - BEST OF THE BEST vol. 2 -WILD-
10 *15,826 *53,781 Sada Masashi - Appare ~All Time Best~
RIAJ has certified both best albums Double Platinum for shipment of 500K copies each
http://www.riaj.or.jp/data/others/gold/201306.html