According to various sources, ACiD forms sometime in 1997 with first vocalist Tomoki.
At an unspecified date, Vo.Tomoki departs.
Vo.Masaki (マサキ) later joins, but then departs at the same year.
Oneman is held.
Ikebukuro CYBER
Oneman is held.
Nagoya HeartLand STUDIO
ACiD disbands.