Vocal card (Rui) is an item that is used to purchase alternative vocals at the song store. Vocal cards are obtained through character rank milestones or by exchanging a vocal card exchange ticket or vocal card exchange ticket (Wonderlands×Showtime).
Currently, the vocal card can be exchanged for alternate vocals featuring Kamishiro Rui in the following songs:
- Buriki no Dance
- Oki ni Mesu mama
- Tondemo Wonders
- KING
- Nonsense Bungaku
- fixer
- Goodbye Sengen
- 88☆彡
- Odore Orchestra