The main protagonist who took the place of Cheng Yanxi. She was originally from the Su family and was in a vegetative state for a year after being secretly taken away by her senior sister from the hospital. She discovered she looked exactly like Cheng Yanxi and their names were nearly identical. Her senior sister swapped their identities and Su Yanxi stayed by Gu Qinghan's side for safety. She was physically frail weighing less than 80 pounds at 168 cm tall with pale translucent skin and peach blossom eyes. She had lost her child, nearly lost her life, and lost her family's fortune to Lu Huaichen.
