i never abandoned the tyrant

Read manhwa I Never Abandoned the Tyrant / I was reincarnated as Lari', an evil maid who was destined to die at the hands of the male protagonist Thierry'. To avoid death, I took care of Thierry with all my heart and thought I had turned him into a sweet person. One day, without knowing why, I died."The princess has woken up!"When I opened my eyes, it was 7 years later And I'm a princess?"If you want to avoid war, send me the princess."Thierry, who grew up like a tyrant, broke in and said he would take me to his country. Why was I reincarnated as a princess? How did Thierry, who was so good, become a tyrant?!