Tianzi Dianxia Ni de Majia You Diaole

While under the cover identity "Murong Yan," the crown prince became smitten with the palace guard, Gu Lang, after a fated encounter. The two had to part ways after "Murong Yan" died, but the crown prince couldn't resist trying to get close to his beloved once again... this time under a different cover identity.

(Source: Bilibili Comics)