By searching girly squat(no joke, just search it, it was the name of a thread) you will get input, 1 post is
All the best !
You might want to take a look at Gironda’s 3-way sissy squat. He himself was adamant about not putting mass on the glutes, so he used those and hack slides a lot.
Also, in personal experience, Jefferson Lifts (basically a deadlift/lunge with the bar between your legs) seemed to hit the quads very well, especially that of the “front” leg
EDIT the pic did not copy so use this link