How To Stop A Tyrant From Being Decadent summary:

How to Stop a Tyrant from Being Decadentn contrast to her past life in Korea, the storybook world Rayne Haatz inhabits is full of wondersthink dreamy powers, nobles inspired by card suits, and anthromorphs. There's just one issue her destiny in this world is to die! Luckily, it seems that someone wants her alive. In her fourth life, Rayne vows to stop her scheming family from giving Emperor Jaynen the dark nightmares that drive him mad and lead to her death. But after three deaths, has Rayne learned enough to change her fate? Or will her feelings for Jaynen complicate her plans?