Sylvia, a modern-day girl, is transported to another world, only to find herself a powerless commoner—a total "dud." In her desperation, she binds herself to the "Romance Contract System": her survival and the acquisition of magical talent depend entirely on kissing powerful mages. Facing a crisis, she forcibly kisses Adrian—a genius with an icy demeanor—to seal the pact, instantly awakening peerless magical power that stuns everyone around her. She goes on to forge bonds with elves, dragons, and formidable figures from the shadows, capturing the hearts of various male leads along the way. Yet, this forbidden contract conceals a deadly secret capable of unleashing an ancient, evil force. As dark monsters and aristocratic conspiracies quietly envelop the academy, Sylvia finds herself entangled in multiple contracts and targeted by villains. How can she balance the dangerous backlash against her true feelings and emerge unscathed from this game of forbidden bonds?
