C39 I Can Walk by Myself!

Hearing the first low sound outside, Soong Ruanruan was about to make another attempt when the door suddenly swung open with a snap.

She stopped short: Why didn't they stick to the plan? Weren't there supposed to be three knocks?

"Mommy! Did you fall down? Are you hurt?" her daughter asked, her eyes brimming with concern.

Fu Sui bit his lip, then glanced up at his father