17 years into reincarnation and Adelaide is bored to tears. So when she hears of another dimensional traveler among the nobility, she jumps at the chance to meet this "Susanne". But instead of befriending the new lady, Adelaide is roped into making a deal with the handsome Duke Felix: fake being his fiancee to get gold-digging Susanne off his back! As Felix and Adelaide get closer, it's an inter-dimensional battle for his heart—traveler vs. traveler!