Upon awakening in an unfamiliar realm, he is confronted by the kingdom's prince, Daniel, who bears an uncanny resemblance to him. Having rescued him, the prince offers him a peculiar proposition - to act as his stand-in, effectively becoming his 'shadow.' Without hesitation, he agrees and assumes a new persona, Rael, to fulfill the prince's every command. However, when tasked with spending a night with the emperor of the realm, what choices will he make? Check it out on Official Webtoon: and the Official Translation: .