yeah. Gackt.com. and only for Dears members. That is why they are appealing to Dears who have yet to log in to try it at least once.

"まだ、GacktオフィシャルHPの会員限定ページにアクセスしたことがないかたは、７/４前までに１度ログインすることを勸めいたします。"
(and following that explaining how you can get your pwd on "Gackt.com" if you've forgotten it)