It has been about 5 years since the protagonist's unexplained possession of an otome game's villainess.

In order to escape from the suffocating life of aristocratic society, the protagonist does not resist the game's scenario and instead intentionally aims for a bad ending where her engagement gets broken off at the graduation party and she is disowned by her family.

The bad ending came just as she had hoped for, and the protagonist rejoices that she can finally live her own life, and not that of Lulutia's----!!

She finishes her preparation for her new life, and believing she can finally be free, falls asleep by herself at an in. However, when she wakes up... she finds herself in an unknown room...

And for some reason, waiting for her there is her former fiancé... who had broken off their engagement after being successfully enamored by the game's heroine...?

The story of a woman who gets trapped in the body of an otome game's villainess, and after the scenario's ending, ends up being teased and toyed with by her ex-fiancé who is supposed to be living "happily ever after" with the game's heroine.