Adopted by a muggle family since the age of 2, Kimberly Bulstrode's upbringing was not extraordinary in the slightest. After reuniting with her pureblood family 16 years later, Kimberly not only have to mentally digest her magical heritage, but also her family's entanglement with the Lord Voldemort's cause. We can't choose our family, but how could she purge the very group of people she thought she belonged to? OC x Lucius/OC x Snape