Yakusoku / Kimi Tokidoki Heart やくそく／きみ時々ハート
Released March 5, 2014 Editions 1 Tracks 2
Regular edition · CD Single
| 1 | Yakusoku | A-side |
| 2 | Kimi Tokidoki Heart | B-side |
| 3 | Yakusoku (Instrumental) | |
| 4 | Kimi Tokidoki Heart (Instrumental) |
| 1 | Yakusoku | A-side |
| 2 | Kimi Tokidoki Heart | B-side |
| 3 | Yakusoku (Instrumental) | |
| 4 | Kimi Tokidoki Heart (Instrumental) |