Gothic Lolita Propaganda is Yōsei Teikoku's first major debut album, released on April 25, 2007.
As a musician, she is the lead singer behind the band Yōsei Teikoku (under the persona of Fairy Yui).
All background music are by Yuki Kajiura except for Mai-Otome PS2 Opening Theme - Valkyrja/Michibiki no Ao, composed by Yōsei Teikoku & Hoshi ga Kanaderu Monogatari composed by Kajiura but arranged by Hijiri Anze.