The Secretary of My Ex-Favorite Character

Mia Lishicha found herself reincarnated into the world of a novel she loved to read. According to the original plot, she was supposed to live a peaceful life thanks to her younger sister, who is destined to become the empress. But there's a catch: to ensure that future, she must become the secretary to the novel's main villain and mastermind, Assad Uriel. Somehow, she manages to land the job, only to discover that Assad is a workaholic beyond imagination. Mia is worked to the bone day in and day out, forced into a life of corporate slavery. Just as she was eagerly awaiting the day all her hard work would finally pay off by becoming the empress's sister, Assad says something unexpected. "I'll take responsibility for you. That way, I won't have to hold back anymore, right?" ...It seems something is very wrong with her boss. Original Webtoon: KakaoPage, Daum Official Translations: Japanese