1, 2, 3, 4, 5, 6, 7, the one whose name should never be spoken, or 9?

First from the left, I'm assuming the missing #8. Looks like natural bust and a round booty.

Now I’m curious. Why should her name never be spoken?

#4

4

6

4th on the right with the number 1 on her

#9

4️⃣