Seishoujo Ryouiki

 is the 15th single released by ALI PROJECT. It was released on October 26, 2005, and peaked at #6 on the Oricon singles chart.

Single Information
 was used as the opening theme for the anime Rozen Maiden: Träumend.

Tracklist

 * 1) Seishoujo Ryouiki (聖少女領域)
 * 2) S-jou no Himeyaka na Kaikon (S嬢の秘めやかな悔恨)
 * 3) Seishoujo Ryouiki (聖少女領域) ＜off Vocal＞
 * 4) S-jou no Himeyaka na Kaikon (S嬢の秘めやかな悔恨) ＜off Vocal＞