That Poor Guy Is the Death Lord?! / Hidden Among Them, Ruler of All / Here Comes the Underworld King / (DUBBED) Cure My Pulse, Marry the Girl: I'm the Hidden King

Born with a deadly condition, Ethan Hale, descends the mountain to marry for survival. When his cold fiancée tears up the engagement, he marries her sister instead. Meanwhile, the world is searching for the Death Lord who comes down seeking destiny, never suspecting the broke man in front of them is the one they are hunting... Adapted from the Qimao Novel "Yan Wang Xia Shan" by Cang Yue Ye.