| Name | Tuning Calibrator |
| Rarity |  | |
| Description | When performing Advanced Tuning in the music store, you can select the Main Stat for the Drive Disc. | |
| Description | A tuning device containing special Ether matter that improves accuracy and precision when Drive Tuning. When a Drive Disc is complete, the Ether matter stored within will remain deep in the disc. |
idk about Promeia synergy, but i plan to use her with Nangong Yu (or Vivian sometimes) and Yuzuha.