Du Zhu You Bing

Chen Jue, an unfavoured bastard son of the Xie clan, has mysteriously risen to become the powerful Governor of Dong Chang, second only to the emperor himself! The world only knows Chen Jue as a savage and ruthless man, however they do not know of the one ray of light in his heart, the Qie Lan assassin Xia Houlian, who has been wanted by Dong Chang for many years! They were once childhood friends, but now they face each other with swords drawn? The spiritual yandere Governor and the loyal ruffian assassin invite you to enjoy a bloody date!

(Source: Kuaikan, translated)