Hatsukoi no Kakera 初恋のカケラ
Released December 10, 2006 Editions 2 Tracks 2
Regular edition · Regular
| 1 | Hatsukoi no Kakera | A-side |
| 2 | Anata ni Muchuu | B-side |
| 3 | Hatsukoi no Kakera (Instrumental) | |
| 4 | Anata ni Muchuu (Instrumental) |
| 1 | Hatsukoi no Kakera | A-side |
| 2 | Anata ni Muchuu | B-side |
| 3 | Hatsukoi no Kakera (Instrumental) | |
| 4 | Anata ni Muchuu (Instrumental) |