Rika & GANGBANG (リカ&GANG BANG) is formed.
Rika & GANGBANG (リカ&GANG BANG) plays its first live.
Rika & GANGBANG (リカ&GANG BANG) changes its name to Rika.F5.
Rika.F5 changes its name again to function code();.
function code(); become a major act and sign to BRIGHT RECORDS, a sublabel of UNIVERSAL MUSIC GROUP.
function code(); are dropped from BRIGHT RECORDS.
Bassist TADAOMI leaves, and H.L.EURO joins.
function code(); changes its name again to functioncode.
functioncode goes on a hiatus
functioncode temporarily reunites.
functioncode goes on a hiatus again
functioncode was a non-vkei band. They were active from 2003 to 2019 and are currently paused.