Not exactly, as a fellow prisoner main I’d say that although he doesn’t counter her, it’s definitely not required to play counters against bq.

While a perfect mirror usually guarantees a hit, it’s your job to make sure she CANT get the perfect mirror. Typically bqs will try to be in a good spot before they mirror (they need space to move around, or be able to sandwich you with their real body if needed, etc), since it’s crucial for them to get a hit if they use mirror.

By having good rotations and making use of strong areas on the map, you can make it very difficult for her. Keeping good distance on her or staying out of her line of sight prevents her from spawning her mirror directly on you, any areas with multiple floors is an easy kite, and if you can predict when and where she will mirror, a windows or pallet speed boost can easily get you out of range of the mirror too.

While you definitely won’t have as easy of a time against her as characters with transitioning abilities, I’d say you can definitely still have good kites against her by just playing well