"Papa, this time Mengmeng wants to play by herself, Mengmeng will be so shiny."

Mengmeng said something seriously, then pressed her small palm to the piano, and sang along with the sound of the piano: "Twinkle twinkle twinkle..."

After singing it again, Mengmeng squeezed into Zhang Han's arms again, and said, "Papa, I want to sing Letitgo."