"They're going to take Nini's heart... Mom told me to call Dad! Please save me...",The little girl looked up at Gu Nanfei helplessly, her big eyes filled with helplessness and pleading. "You've drawn so much blood, can you let Ningning go home ...Ningning misses Mommy…","Doctor, what are you going to do... I'm scared, Ningning is scared."。