Stories about kidnapping

Supergirl, Kara Danvers, starts strong but is gradually overpowered by the villain Mercy Graves, who subjects her to intense domination, humiliation, and forced orgies. Kara's initial empowerment crumbles as she faces kryptonite-induced weakness, pink kryptonite-fueled vulnerability, and relentless physical and sexual abuse at the hands of Mercy, leading to a series of devastating encounters where she is left powerless and humiliated in various scenarios.