Neoma is once again reborn as a hidden princess with a tyrannical father and a yandere twin brother. She died at the hands of her psycho brother in her first life. But luckily, she was able to charm her "big brother" this time. Her father remains a sc*mbag but a blessing in disguise happened when her twin brother got "sick." Because of that, she has to pretend as the "Crown Prince." As long as she has to, her father is forced to treat her well.