Hiroko Koshiba, a woman in her forties working in an office, proudly achieves a significant milestone, earning the prestigious title of the office queen. One day during overtime, a new colleague unexpectedly prepares tea, expressing gratitude with a rare gesture. Without suspecting anything, Hiroko drinks it eagerly, only to meet an untimely demise. The innocuous tea, tainted by the juice of a wrung-out rag, undergoes a deadly chemical reaction.... more>>

Upon awakening, she finds herself reborn as the young girl Rosetta. With Hiroko's memories intact, Rosetta realizes she has become the villainess from the game the newcomers were discussing. Recognizing the dire consequences ahead, including the cancellation of the engagement by the first prince, she takes action to divert the ominous fate. Little does she know that her personality-driven decisions might have unforeseen consequences in the future. <<less