Song Roy was an ordinary social worker who had just graduated. Her daily entertainment after get off work was to stay at home and read novels. Once she was reborn, she was bound to the learning system and returned to the summer vacation when she graduated from elementary school when she was 12 years old. She began her journey to become a top student.
Not only did she become a top student and a renter with free wealth, but she also changed the outcome of the death of her grandmother, with whom she had the deepest affection, and gained warm friendship and sweet love.