I Need to Raise My Sister Properly

After a car accident, the protagonist wakes up as the stepsister of a villainess in the fictional novel My Beloved Santa. Determined to prevent her younger sister from succumbing to a dark fate, the protagonist dedicates herself to steering her sister’s life toward a brighter path. Despite her efforts, she finds herself entangled with the Duke of Lexerville, a notorious and enigmatic figure known for his ruthless reputation. Their interactions grow increasingly complex, especially when his jealousy and protective nature begin to surface. The story explores themes of redemption, familial bonds, and an unconventional romance that adds an unexpected layer to the protagonist’s mission​.