Responses
Nope others in upper comments already said it, Spoiler...
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He is the emperor in disguise. This will be the part when that jealous woman will screw herself over, or maybe that prince or who(the one who sneaked in the office to look at the painting) will do someting with the servant girl who looks like fl, or something like that. (=・ω・=)
oooo thank god it's the emperor himself. Thank you bb for the spoilers!
Is he the second male lead?