One day, a woman who was called a rare great villainess in her previous life reincarnates as a villainess in an otome game. Her new identity is Ellis, the daughter of a noble family fated to be condemned. Determined to avoid this ruinous ending, Ellis works hard to build positive relationships with those around her, including her fiancé, Prince Gerald, and her adoptive younger brother, Ralph. She succeeds in deepening these bonds and gains recognition from others. However, just like in her past life, she is falsely accused of being the culprit behind a major incident.

The story follows Ellis as she navigates this new world while the mystery of her true nature unfolds. Is she truly evil, or is there more to her actions than meets the eye? The narrative traces the footsteps of her previous life as the great villainess named Elisha, while revealing the true character of the villainess Ellis in a new kind of mystery.