Reverse Crossing: Pinned Down by Xiao Lu from the Start

(Punishing: Gray Raven Fanfiction) (Lucia Is My One and Only)

As Lucia and the Commandant were parting ways, a mysterious power sent her to Mu Qing's world.

Faced with a girl who had suddenly appeared in his home and immediately pounced on him, Mu Qing was utterly bewildered.

After learning where the girl had come from, Mu Qing was even more shocked. "Could it be that a 'girl falling from the sky' really did fall from the sky?"

(This synopsis isn't very good, so please head to the main story. This is a new author's first time writing, so I hope all you readers will be patient with me.)