She is an orphan, sometimes carefree, sometimes silent. No one understands her heart except him.
He, the emperor's son, is known to everyone as an "idiot." But under the disguise, he plays tricks and is shady. Only in front of her is he his true self.
He, with a blood feud and no heart, met her. He taught her swordsmanship and Qinggong, but everything was destined to happen.