| Name | Teardrop Necklace |
| Rarity |  | |
| Related Agent |  | |
| Description | Get by unlocking Sunna’s Mindscape: “Hollow Big Bang” | |
| Description | A card with Sunna’s personal photo printed on it. “In the story, the girl’s lone tear gave shape to the necklace and returned rain to the entire kingdom.” “So does that mean a crybaby like me… might be able to do something that amazing someday?” |
idk about Promeia synergy, but i plan to use her with Nangong Yu (or Vivian sometimes) and Yuzuha.