And we have a winner by MILES! Ken Hirai's latest album Makin Pop released not to far away from Gackt's latest album sold basically 10x Gackt with a total of 332,297.
Koda Kumi's Black Cherry topped the Oricon Daily Albums Chart for a total of 28 consecutive days as well as topping the Oricon Albums Chart for 3 consecutive weeks. In these 3 weeks Black Cherry sold over 860,000 copies and eventually ranked as the best selling female album of the year.