-kyonyuu Princess Saimin -

One night, Lord Malcador, a disgraced mesmerist, infiltrated her chambers. He found her asleep, her chest rising gently beneath a thin silk shift—her famed figure a distraction for lesser men. But Malcador sought not her body, but her throne.

But that night, alone in her mirror, she watched her own reflection mouth the words: "I am still here." -kyonyuu princess saimin

The hypnosis was a cage. But even a caged princess has claws. If you meant this as a , you might use: Anime-style, busty princess with long silver hair and purple eyes, wearing a disheveled royal gown, lying on a canopy bed. A shadowy mage leans over her, hand glowing with hypnotic spiral energy. Dim candlelight, gothic palace interior. Expression: serene but trapped. One night, Lord Malcador, a disgraced mesmerist, infiltrated

The Solarian Empire, in the floating palace of Princess Seraphina Vellantine. But that night, alone in her mirror, she

Her eyelids fluttered. A single tear rolled down her cheek—her will fighting even in slumber.

It sounds like you're looking for a creative piece based on the tags (busty princess + hypnosis/sleep magic).