The Only Survivor in My Family, I Conquer the 70s with My Space

[Transmigration to the 70s + Space-Hoarding + Heirless Military Young Master + Reborn Female Supporting Character + Scientific Research for National Prosperity] Liang Qiaoqiao was hit by a car and killed on the street after graduating from university, only to be slapped awake in a funeral hall. She found herself transmigrated to the 1970s, the only daughter of a research tycoon who had been sent to the countryside during a turbulent period. After her biological parents died, she was secretly adopted by the Chen family, the eldest and eldest sons of the neighboring Wutong Village. Her adoptive father died young from illness, her adoptive brother died for his country, and her adoptive mother fainted upon hearing the tragic news. Her adoptive father and brother's family came to rob her, driving her adoptive mother to suicide, and then beat her to death in the funeral hall. Liang Qiaoqiao was immediately faced with the start of a life where her entire family was wiped out, leaving her alone. Her cheat was a rather useless space. What use was a space only one square meter in size? Liang Qiaoqiao: I've never been God's favorite daughter in either life, I'm used to it… Fortunately, the army was helpful, sending the young and handsome Battalion Commander Mu, who easily dealt with the Chen family. Afterwards, Liang Qiaoqiao took the college entrance examination, accompanied the handsome battalion commander to the army to collect his belongings, and incidentally cleared the names of her biological parents. Mu Yang, wounded and discharged from the army, had originally decided to remain single for life after being declared childless. Unexpectedly, that clever, witty, yet pitiful little girl secretly entered his heart. Seeing the little girl grow up day by day, gradually blossoming and attracting swarms of suitors, he was extremely anxious. Mu Yang: "Grandpa, Grandma, Mom, Dad, I've fallen for a little girl, do you agree or not?"...