The Reborn Stunning Military Girl

She was originally the top killer of the 21st century. After her death, she was accidentally reborn in the body of a 15-year-old strange girl. When she opened her eyes, everyone thought she had lost all memory... One day, Doubi's father sent her to the Double Color Star and forced her to have a fiancé who seemed aloof. In an accident, she and her companions were forcibly dragged to a mysterious planet; after three years of hard work, she gradually transformed...