It's formed by MIE (vocal) and AILA (rap).
They follow the gyaru fashion trend, and they are influenced by the singer Lauryn Hill.
Their Unit title is LIL + BETRAY .
In June 2008, They released their debut single, "Orange", which was used for the anime 'Bleach.'
September 2nd, 2008 single "Love Song sang Kimi" was released!
lil'b song Tsunaida TE (つないだ手) was released on 2009-11-11 and was used as the ending theme song for the anime series 'Full Metal Alchemist Brotherhood.'