Rivalry (ライバル宣言, Raibaru Sengen, Rival Declaration) is a 2-slot Cat Combo. It is unlocked after completing Into the Future Chapter 3.
Effect[]
Worker Cat Start Level UP (Sm): Worker Cat's initial level starts with +1.
Combo[]
| Combo Name | Cats | Combo Effect |
|---|---|---|
| Rivalry (ライバル宣言) |  
|
Worker Cat Start Level UP (Sm) |
Trivia[]
- The name of this Cat Combo is a reference to Crimson Mina's description, which describes how she is very popular with the Cats but hasn't quite reached Valkyrie's level.
- Crimson Mina's Japanese description confirms that Mina "says Valkyrie is her current rival."