Hanasaki Rinko reincarnates as Raeliana McMillan, a side character in a novel who's destined to be poisoned by her fiancé.

Raeliana moves to the Wynknight mansion so she and Noah can be officially engaged; she uses her knowledge of Noah's possession of the royal seal to convince him to make the deal with her, but Noah seems unfazed.

Raeliana begins her bridal training at the Wynknight mansion; she and Noah must put on the perfect performance to convince society that their engagement is real, but the road ahead of them is clearly rocky.

After her death, Rinko wakes up as Raeliana, the daughter of a wealthy family in a novel she has read. Io survive in this world, she makes a deal with Duke Noah to become his fiancée.

After her death, Rinko wakes up as Raeliana, the daughter of a wealthy family in a novel she has read. Io survive in this world, she makes a deal with Duke Noah to become his fiancée.

After waking up at Noah's mansion, Raeliana gets Adam's help and attempts to escape by disguising herself as a maid.