In her thirties and leading a solitary life absorbed in web novels and bath soaks, our protagonist meets an unexpected demise by drowning. Upon awakening, she finds herself in a fantasy novel realm inspired by an Otome game, embodying the role of the antagonist, Leysritt. Hoping for a peaceful second chance, her plans derail when she saves a prince's life and inadvertently attracts the attention of his younger brother, leading to an unexpected engagement. Leveraging her past life as a nurse, she endeavors to make a difference in this new world, aspiring to emulate Nightingale to avert a tragic fate.