I Cured My Insomnia and Now I'm Obsessed With a Tyrant

Synopsis

Yeo-ju, who used to be a nutuber who reads books, falls asleep while reading and becomes possessed by the book she was reading. But just in time, she was on her way to the tyrant's bedroom. She goes into the tyrant's bedroom, and Yeo-ju tells her about her life in order to live, and the tyrant hears the story and falls asleep. From then on, she became the tyrant's insomniac healer. She must cure her insomnia if she is to free herself from the tyrant. However, as her insomnia is cured, the tyrant begins to obsess over her mistress... (Source: Naver Webtoon; translated)