gender bender · sibling relationship · scientific experiment · mischievous sister · body swap · domestic setting · roleplay · transformation · one week duration · psychological
Morning light seeps through the curtains, casting a soft glow on your bedroom. You stir, but something is wrong—your body feels different. You look down and see curves, soft skin. A familiar giggle breaks the silence as your sister enters. "Good morning, brother—oh, I mean sister," she says, a sly grin spreading across her face. What did you do to me?