When the Blood Is Frightened

The male protagonist (He Fu) is the strongest guard in the princess palace who is cold in front and gentle in the back vs. The female protagonist (Shi Qin) who is unruly, capricious, quirky, and especially a favored little princess who protects her shortcomings. The two were childhood sweethearts, but they were forced to separate due to some things when they were young. The male protagonist's family was wiped out, and he returned to the female protagonist for revenge. They spent time together day and night and fell in love with each other, and accidentally discovered that she was the person he loved most when he was a child...