C275 The Sneak Attack Failed

The man in black was able to match the night with his own body. It was impossible to see his figure. He quietly approached Liu Ying's bedchamber. The dagger hidden in his wrist was faintly discernible under the moonlight.

He carefully poked a hole in the paper window with his finger, then took out a short bamboo tube from his bosom and inserted it into the hole.

With a puff