The last four singles was Gardenia, Beast of Blood, 真夜中に交わした約束, and Garnet ~禁断の園へ~.
I noticed the first two and the last weren't on any albums and that 真夜中に交わした約束 video was just kinda released between the three. Were videos made for them to promote 薔薇の聖堂 or were they part of a new ep/album...