Two children who got swapped at birth grow up to become engaged to each other. It's an arrangement neither of them like, at first.

Oohashi Rei, an office worker, that's overworked to death and suddenly finds herself reincarnated as Rae Taylor, the heroine of her favorite otome game, Revolution.

For a high school project, an introverted boy and an outgoing "gyaru" have to pretend to be married — and neither of them are happy about it.