Project idol umbrella, and consisted of Aya Matsuura, Maki Goto, Natsumi Abe and Rika Ishikawa.

The band's name is an abbreviation of the phrase "Definite Diva".

Goto, Matsuura and Abe also comprised a previous three-member special group, Nochiura Natsumi.

Project in October 2007, the group made no more releases.

All of the three remaining members graduated with the rest of the Elder Club on March 31, 2009, leaving the group empty and on indefinite hiatus.