What role did Gallen Lo play in the series?

title of a collection of bizarre stories by Pu Songling of the Qing Dynasty

Yu is a woman who has been dead for 30 years. Her father, Wu Yuan (Liu Dan), hides her in the Bagua Cave, carrying a divinatory image to be returned to the sun. Once, Moon rescued Wang Ding (played by Gallen Lo) from the villain Toulouse and others, and they fell in love. Wang Ding's brother (Chen Honglie) is a fortune teller. See Wang Ding numerology is not suitable for marriage, don't let him get married. After many hardships, Wang Ding finally persuaded his brother to return the moon to the sun. However, the good times did not last long. Zhong You punished the female ghost for taking her soul and stealing Ding's book of life and death, and even ordered that He Yueer be brought back to the underworld to testify. Wang Ding and the moon love each other deeply, and they are willing to exchange their lives for each other's peace. Unfortunately, they still can't get rid of bad luck after many trips to the underworld. Can their love blossom and bear fruit?