I'll Save This Damned Family!(2020)

Manghal Gamuneul Sallyeobogetseumnida

How to avoid an execution!
After being murdered, Yeonwoo is reincarnated into her colleague's novel as Tara Elias, the unremarkable 5th daughter of the Elias family. But the entire household is fated to meet a grisly end, and it's not long before they're headed for the guillotine. Can Yeonwoo escape death this time around?

(Source: Manta)