This is a remix/arrange of Flandre Scarlet's themesong: U.N.オーエンは彼女なのか？ (U.N. Owen was her?). You can find Flandre, and her theme in the game Touhou 6: Embodiment of Scarlet Devil.

Track Title: 緋色月下、狂咲ノ絶　-1st Anniversary Remix- Original Title: U.N.オーエンは彼女なのか? Arranger: Kokucho Circle: EastNewSound Album: Sacred Factor Release date: 2009-12-30