Sienna Gray, a hardworking modern office worker, accidentally transmigrates into a melodramatic CEO novel, where she becomes the unpolished Real Heiress Sienna Gray of the Gray Family. Abducted and raised in the countryside since childhood, the original host was uneducated, narrow-minded and rude. After being taken back to the Gray Family, she often did foolish things that disgusted her Gray Family parents, three older brothers, and her fiancé Asher Pae. After Sienna transmigrates into the novel, she receives tasks assigned by the System, and decisively chooses the task of accumulating Disgust Score. From then on, she acts absurdly in front of the Gray Family and her fiancé to complete the task. Unexpectedly, due to a System Glitch, Sienna's inner thoughts are exposed to the target characters. Through reading her mind, everyone learns about the ending of their own fates. After a series of funny misunderstandings, everyone changes their opinion of Sienna, and Sienna accidentally completes the Category A task in reverse, winning double the bonus!