Compiles selected songs from "UFO Princess Valkyrie (2002)," "UFO Princess Valkyrie - 12 Gatsu no Yasokyoku (2003)," and the OVA series "UFO Princess Valkyrie - Seiresetsu no Hanayome." Also includes the main theme to the radio show "UFO Princess Valkyrie Saeko Chinami no Akido Radio."