Офисная тихоня — настоящая наследница

The female heir of a wealthy family takes an intern position at a company to avoid an arranged marriage, only to be bullied in the workplace by a fake heiress who has stolen her identity. The fake heiress—daughter of the female heir’s father’s driver—will stop at nothing to pass herself off as a wealthy aristocrat. Despite the fake heiress causing trouble at every turn, she has a group of mindless colleagues fawning over her. While striving to advance her career, the real female heir repeatedly exposes the fake heiress’s tricks and puts her in her place. Meanwhile, she realizes she has quietly fallen in love with the fiancé her father chose for her. The fiancé has already fallen in love with the real female heir at first sight, but a misunderstanding leads him to believe his betrothed is someone else. The female heir decides to observe and test him quietly. After going through various hardships together, the two resolve their misunderstandings, and this pair of lovers finally ties the knot.