DEAD ENDING SUJIPGA HANYEONIM

The sensitive and crazy prince 'Cardin''s only maid, Rowena. One day, she discovers a 'monster' in the prince's palace garden wearing human skin and is attacked and put in danger of death...Tiring! [Amazing experience! You have experienced death.] [First experience bonus acquired!] A strange letter suddenly appears. [If you don't want to die like this, accept it.] Of course I don't want to die! Rowena accepts the mysterious offer and... goes back 3 years. That's how the regression began. If you want to live and see the future, you have no choice but to keep dying and regressing to get clues and move forward! Will Rowena be able to overcome all the dead endings and reach the best ending?(Source: Kakaopage, translated) — Description from AniList community (anilist.co).