My Accidental Princess

Young Princess, playing hide-and-seek, touched a bell pattern in a cave. She fell into a man's backyard. Unafraid, she called him 'Handsome Brother'. He owned a failing guesthouse. She asked for a bite; he gave her fried chicken. When the Crossing Over portal shattered, pulling her back to ancient times, he understood—the Young Princess had burst into his stagnant life.