Jung Guwon
Jung Gu-won, originally a human named Seo Yi-sun from the Joseon era, became a demon after falling in love with a courtesan named Wolsim. He has roamed the Earth for 200 years, making soul-binding contracts with humans. As a demon, he possesses immortality and the power to exploit human vulnerabilities. Initially cynical and detached, his personality changes after meeting Do Do-hee, a devilish heiress, becoming more protective and caring. He loses his demonic powers after a fateful encounter with her, which are transferred to her. To regain his powers, he enters into a contract marriage with Do Do-hee, leading to unexpected happiness and c...read more