OMG
Soundscan (Another chart which count less copies than Oricon) says
Colours sold 23,438 copies!!
Total might be more than 30k
So relieved I thought it was going to sell almost 20k
Source: For"A"ver Club
#1 Kis-My-Ft2
#2 UVERworld
#3 Oda Kasumasa
#4 Tsuyoshi Nagabushi
#5 FROZEN OST
#6 ayumi hamasaki
#7 Christ Heart
#8 Itano Tomomi
#9 Namie Amuro
#10 DJ KAORI
Ayu should be #5 on Oricon