Hi help me guys I remember this historical bl manhwa where the mc is a blonde guy then lat...

Hi help me guys I remember this historical bl manhwa where the mc is a blonde guy then later on cut his hair to exchange for money, the uke is a tan muscular knight have scar on face they travel together,this is the only part I remember but I know the mc travel back to past w the help of saint? Plssss I need to re read this