Claim: KinKi Kids released 15 studio albums and all made it to number one in Japan with A album selling over a million copies.
Evidence: The discography of Japanese group KinKi Kids consists of 15 studio albums, four compilation albums, 20 video albums and 41 singles. 
All of KinKi Kids' studio albums and singles have reached number one in Japan on Oricon charts, as of 2013. 
1,031,000