Vocal card (Kohane) 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 (Vivid BAD SQUAD).
Currently, the vocal card can be exchanged for alternate vocals featuring Azusawa Kohane in the following songs:
- drop pop candy
- Just Be Friends
- Forward
- Gunjou Sanka
- Beat Eater
- Flyer!
- Odo
- Journey
- NEO