Mu family


 * Father Mu
 * Mother Mu
 * Mu Qingyi - Elder brother away on a student exchange program.
 * Mu Qingyao - Daughter swapped into the Mu family at birth. The Mu parents treat her as their real daughter.
 * Xu Xinduo - The Mu family's real daughter swapped out of the family at birth. She was adopted by the Mu family at 17.


 * Grandma Xu - Mu Qingyao's real paternal grandmother.
 * The maid that swapped Mu Qingyao and Xu Xinduo is Mu Qingyao's real maternal grandmother.