Once again, Miorine found herself stuck in a situation beyond her control, and forced to make a decision that would alter not only her life, but also the lives of everybody around her, for better or worse.

Source: https://gamerant.com/gundam-witch-from-mercury-episode-16-review/

Prospera manipulated her daughter so completely that, if asked her to kill or give up on her life's dreams, she would obediently comply; Miorine confirmed this when she tried talking to her about it.

Source: https://www.cbr.com/g-witch-miorine-betrayal-consequences/