Linnea's manga / #family of psychopats(1)

8.52021 Ch 1 - 34 Reborn into life in another world, one from a novel, a young woman has to learn how to survive in a family filled with psychopatic killers both male and female. Trying to help her future self by helping the brother of the female lead survive in captivity after being kidnapped by her horrible father, she is forced to do a LOT of scheming and even poison herself in order to pull it all off. Three years after his escape, she (now trusted by her father) attends the yearly Noble House’s meeting for the 2nd time, and...they finally meet again (ch 34)