The Reincarnated Noble Lady Runs Away to Another World異世界転生令嬢、出奔する, Isekai Tensei Reijo, Shuppon Suru

Aria, a young noblewoman, was locked away in the attic. Her life was on the verge of ending... but in that very moment, she regained memories of her past life! Nagisa, once an ordinary office worker, had been reincarnated as Aria after receiving an all-powerful skill from god. Her mission? To live a happy life as Aria. To achieve that, she first had to reclaim the fortune stolen by the family that had driven her into this plight and escape the estate! With that vow, Aria set out to turn her tragic fate around!!