there's only 3 other releases above TABOO on the chart that have been released before today, and it's no big deal that their first day sales are higher than the ones that have been on the charts a week now.
http://www.oricon.co.jp/rank/js/d/
everything pretty much says 10/15 for the release date
2. いつか イ・ビョンホン UMU 10/15
9008
3. 君と僕 リュ・シウォン TJC 10/15
6031
their first day sales really aren't that good...