TOPAZ (トパーズ) forms.
TOPAZ become a major act and joins PONY CANYON.
TOPAZ leave PONY CANYON.
TOPAZ joins JAPAN RECORD.
TOPAZ disbands
TOPAZ revives.
TOPAZ disbands again
TOPAZ was a non-vkei band. They were active from 1989 to 2019 and are now disbanded.