A rakish young master and the least favored youngest son of the prestigious He family, known for his promiscuous lifestyle and revolving door of lovers. He is the persistent pursuer of Song Qinghe and initially strings along the original Ling Shaoze as a stand-in for his white moonlight. He Yuteng is morally loose, using Ling Shaoze's affection and family wealth while avoiding commitment. In the original plot, he engages in drunken sex with the drugged Ling Shaoze, leading to a pregnancy and engagement, but later grows tired of him and chooses to save the baby over the mother during a life-or-death accident.