On Suyoung is working as an officer of the Royal Pharmacy, and when he finds out about the emperor's plan to behead the king for the treason charges, he feels sympathetic and gives anesthetic potion to the king to lessen the pain. And during the execution, the king thanks Suyoung and curses the emperor as he dies. The next day, Suyoung wakes up in a strange place and realizes that he is living in the emperor's body! Shivering with fear, Suyoung hurries to the Royal Pharmacy and finds the emperor in his body. And from that point and on, a spectacular drama takes over the palace. Official Novel: Ridibooks Original Webtoon: Ridibooks, Bomtoon, Lezhin, MrBlue, KakaoPage Original Webtoon (Side Story): Ridibooks, Bomtoon, Lezhin, MrBlue, KakaoPage Official Translations: English, T.Chinese, Thai Note: The full mature version of the side stories are on separate pages from the main story. The main story pages only have the all-age version of the side storiesMore...