Eins:Vier

Eins:Vier

アインス・フィア

1:4 forms in Osaka (大阪).

Vo. Hirofumi, Gt. Yoshitsugu, Ba. Luna, Dr. Hibari

1:4 changes its name to Eins:Vier (アインス・フィア).

Kyoto MUSE HALL

Dr. Hibari leaves, and isn't immediately replaced

Vo. Hirofumi, Gt. Yoshitsugu, Ba. Luna

Dr. Hibari is finally replaced by Dr. Atsuhito

Vo. Hirofumi, Gt. Yoshitsugu, Ba. Luna, Dr. Atsuhito

Eins:Vier become a major act and sign with Meldac.

Vo. Hirofumi leaves following a live at the Akasaka BLITZ (赤坂BLITZ) venue. Eins:Vier then go on a slight hiatus.

Vo. YAMASAKI joins Eins:Vier, bringing the group back from their hiatus. -member.

Vo. YAMASAKI, Gt. Yoshitsugu, Ba. Luna, Dr. Atsuhito

Eins:Vier play their final live at the Shibuya (渋谷) ON AIR WEST venue, and disband immediately afterwards.

It is announced that Eins:Vier is reuniting, although without Dr. Atsuhito.

Eins:Vier play their first live in 12 years at V-ROCK FESTIVAL 2011.

Vo. Hirofumi, Gt. Yoshitsugu, Ba. Luna

Eins:Vier play one more acoustic live at the Shibuya (渋谷) Glad venue, and disband once more.

Eins:Vier announce its third revival.

Eins:Vier play their first live in four years at the Meguro Rokumeikan (目黒鹿鳴館) venue, which sells out a month in advance.