Brigid, the daughter of a poor viscount, barely makes a living working as a tutor. Her sole reason for living is Nisha, a young boy and her ultimate favorite character. Raised without knowing love, Nisha is fated to become a villain killed by the story’s protagonist. Realizing she has transmigrated into a web novel from her past life upon meeting him, Brigid vows to make her favorite character happy.

Determined to pour all her love into him, she attempts to adopt Nisha, only to run into the orphanage rule stating that unmarried women cannot become foster mothers. Just as hope seems lost, the coldhearted Marquis Diarmuid approaches her with a surprising proposal so she can stay with Nisha. Driven by otaku passion and past life knowledge, her chaotic fake family comedy begins.