Twinkle Star Light / Himitsu Twinkle Star Light／秘密
Released January 14, 2015 Editions 1 Tracks 2
Regular edition · Regular
| 1 | Twinkle Star Light | A-side |
| 2 | Himitsu | A-side |
| 3 | Twinkle Star Light (Instrumental) | |
| 4 | Himitsu (Instrumental) |
| 1 | Twinkle Star Light | A-side |
| 2 | Himitsu | A-side |
| 3 | Twinkle Star Light (Instrumental) | |
| 4 | Himitsu (Instrumental) |