hirofumi begins as a solo project and signs with Liberhythm Records
At this point, hirofumi begins to take on a more tanbi-kei (耽美系) style visuals
hirofumi ouji (hirofumi 王子) signs with next☆POP RECORDS.
At some point around this time, hirofumi changes his name to hirofumi ouji (hirofumi 王子) and fully dons a tanbi-kei (耽美系) aesthetic.
At some point around this time, hirofumi ouji (hirofumi 王子) changes his name again to Bara no Kyuuden (薔薇の宮殿). His solo project becomes more of an official band with steady support guitarist Ootomo Rui (大伴 涙). hirofumi starts going by the stage name ROZARIA (ロザリア) at this point.
V. ROZARIA (ロザリア) / G. Ootomo Rui (大伴 涙)
Bassist MESSIAH Shinozaki joins
V. ROZARIA (ロザリア) / G. Ootomo Rui (大伴 涙) / B. MESSIAH Shinozaki (メサイア 篠崎)
Guitarist Ootomo leaves the band, and bassist MESSIAH becomes a support member
At some point around this time various support members join the band
V. ROZARIA (ロザリア) / Support G. Tamotsu (たもつ) / Support G. Ryuuta (りゅーた) / Support G. SIORI / Support D. Hajime (一)
A teaser image is given for the start of the band's "3rd Chapter", set to begin April 6th of the following year, and a first official image with the band's support members is shared.
The band changes the typeset of its name to Bara no Kyuuden-Rose'n Palace- (薔薇の宮殿-Rose'n Palace-)
Free oneman is held
Twoman event vs Zeke Deux C'est la Rose~Tokyo Koutetsu Bara Kessen (東京鋼鉄薔薇決戦)~ is held
Bara no Kyuuden-Rose'n Palace- (薔薇の宮殿-Rose'n Palace-) is an active visual kei band. They are part of the tanbi kei subgenre. They have been active since 2007.