7 years since Yuuichi Aizawa visited his aunt Akiko in her little northern town, he returns to uncover memories and secrets that have vanished from his head. He soon realises that something supernatural is happening, and that all of his new female acquaintances have links to his forgotten past.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Silver Overture | 2006-10-05 | 25 min |
| Season 1 | Episode 2 | Introit in the Snow | 2006-10-12 | 25 min |
| Season 1 | Episode 3 | Partita of Memories | 2006-10-19 | 25 min |
| Season 1 | Episode 4 | Caprice in the Holidays | 2006-10-26 | 25 min |
| Season 1 | Episode 5 | Serenade of the Apparition | 2006-11-02 | 25 min |
| Season 1 | Episode 6 | Divertimento of Riddles | 2006-11-09 | 25 min |
| Season 1 | Episode 7 | Fugue of a Runaway Kitten | 2006-11-16 | 25 min |
| Season 1 | Episode 8 | Fantasia of Reminiscence | 2006-11-23 | 25 min |
| Season 1 | Episode 9 | Lullaby of a Fox Cub | 2006-11-30 | 25 min |
| Season 1 | Episode 10 | Requiem on a Hill | 2006-12-07 | 25 min |
| Season 1 | Episode 11 | Interlude of Light And a Shadow | 2006-12-14 | 25 min |
| Season 1 | Episode 12 | A Grotesque Waltz | 2006-12-21 | 25 min |
| Season 1 | Episode 13 | A Trio of Being Dangerous | 2006-12-28 | 25 min |
| Season 1 | Episode 14 | Cracked Concerto | 2007-01-04 | 25 min |
| Season 1 | Episode 15 | A Sonatina of Hide-And-Seek | 2007-01-11 | 25 min |
| Season 1 | Episode 16 | Oratorio in the Midnight | 2007-01-18 | 25 min |
| Season 1 | Episode 17 | Silent Song of An Elder Sister and A Younger Sister | 2007-01-25 | 25 min |
| Season 1 | Episode 18 | The Disappearing Gentle Movement | 2007-02-01 | 25 min |
| Season 1 | Episode 19 | The Etude of Contact | 2007-02-08 | 25 min |
| Season 1 | Episode 20 | Nocturne of Separation | 2007-02-15 | 25 min |
| Season 1 | Episode 21 | Rondo of What You Aren't | 2007-02-22 | 25 min |
| Season 1 | Episode 22 | Symphony of Recollection | 2007-03-01 | 25 min |
| Season 1 | Episode 23 | Finale of Madder Red | 2007-03-08 | 25 min |
| Season 1 | Episode 24 | Canon of the End of a Dream | 2007-03-15 | 25 min |
| Production | Hiroshi Meguro | Production Manager |
| Writing | Makoto Nakamura | Series Composition |
| Writing | Ryota Yamaguchi | Series Composition |
| Visual Effects | Youichi Oonishi | Character Designer |
| Visual Effects | Youichi Oonishi | Supervising Animation Director |
| Directing | Naoyuki Ito | Series Director |
| Sound | Hiroyuki Kozu | Music |
| Writing | Jun Maeda | Original Story |
| Writing | Naoki Hisaya | Original Story |
