◎Billboard JAPAN Album Sales Report (aggregated from 2018.8.13~8.15)
1 -『Future Pop』Perfume 61,923 copies
2 -『海のOh, Yeah!!』Southern All Stars 26,32 copies
3 -『TROUBLE』Ayumi Hamasaki 21,042 copies
4 -『初恋』Utada Hikaru 2,835 copies
5 -『Finally』Namie Amuro 2,586 copies
※ Billboard JAPAN uses the data about CD sales from SoundScan Japan.
http://www.billboard-japan.com/d_news/detail/66677/2