Reborn in 70, I Refuse to Be a Supporting Brother Demon

(Soul travel + heroine + military marriage + double cleansing + no golden fingers) More than 10 years old + age difference of ten years + double cleanliness + not a fast-paced one + the male protagonist appears late Yang Qingtian was stimulated by a bright light and her soul penetrated the body of a 708-year-old village girl named Yang Qingtian with the same pronunciation of the same name. The miserable original owner has a pair of stupid parents who have no opinion on anything. The love-minded brother actually asked his sister to marry him in exchange for the girl he liked. Fortunately, there is a grandma who is smart and can take charge of the family. Looking at such a family, Yang Qingtian raised her head and looked at the sky. Why did God treat me like this and let me come here... I wonder if God heard Yang Qingtian's protest and sent her a boyfriend with good looks, good figure and strong ability to compensate her. While saving his family, he also has to reject the man who approaches. Let's see how she manages to achieve success in her family and career.