Her
An extremely gorgeous and wealthy daughter, a modern talented woman who knows marksmanship, close combat, medicine, and women's self-defense, travels through time because of a saber. In ancient times, the charming and enchanting appearance concealed the ability to kill without blinking an eye. With his intelligence, appearance, and leadership ability, he managed to hold up a world in the troubled times of the Four Kingdoms and win the throne for him.
Him
A powerful ancient man with a majestic appearance, a relative of the emperor, and who knew light kung fu, long swords, hidden weapons, poisons, and medical skills. With a long sword in hand, he is brave and unstoppable, but he is a prince but wanders around the world. He despises everything in the world, but only devotes his life to her. He dominates the world with his ruthlessness, cruelty, martial arts, and fearlessness.
Watch two generations of heroes play out their love for each other...
He knew it was short-lived but he made it last forever...