- ef - the latter tale. テーマ曲/マキシシングCD「emotional flutter」[特別版]
- ef - a fairy tale of the two. - echt forgather
- eternal feather - THE MAIN THEME SONG OF 'ef - a fairy tale of the two.'
- ef - a tale of memories. ENDING THEME~悠久の翼 07.mix/euphoric field live Re-mix
- ef - a tale of memories. ORIGINAL SOUNDTRACK 2 ~fortissimo~
- ef - a tale of melodies. ORIGINAL SOUNDTRACK ~elegia~
- ef - a tale of melodies. ORIGINAL SOUNDTRACK 2 ~felice~
- ef - a tale of memories./OPENING THEME「euphoric field feat. ELISA」