Our heroine was reincarnated as the villainess of her favorite otome game... but her favorite character is just a side character. Still, though, she adores him, so she's been trying to break off her engagement with the handsome prince she's supposed to marry in-game. But it's a bit hard, because he's rather unhinged and QUITE attached. He takes her beloved side-character hostage and forces her to promise she will marry him... Then, under the guise of preparing her to become a "good homemaking wife"... the heroine is subjected to his depraved desires. Will she be able to escape...? And what of her beloved side-character...!? A lighthearted comedy that quickly turns dark with despair and violation.