Are all their releases distributed by Sony Music Marketing now? Or at least, these two are:
http://www.marv.jp/music/tabid/80/pdid/7731/index.php
http://www.marv.jp/music/tabid/80/pdid/7732/index.php
EDIT: actually, according to the site the AQL releases were distributed by Sony Music Marketing/Distribution too
http://www.marv.jp/music/tabid/80/pdid/7703/index.php
http://www.marv.jp/music/tabid/80/pdid/7352/index.php
I guess we should add it in most (if not all) the entries, I'll do it when I have some time.