I Transmigrated to the 1970s to Build a Career with Dad

A fictional setting! The Cui family has seven members. The mother is kind and beautiful; the hardworking eldest brother is a tough soldier; the eldest sister is an educated youth; and there are a mischievous younger sister and a younger brother. Their father, meanwhile, is a lazy scoundrel who cheats and cuts corners, just lying flat all day... None of this is true. The family will strive together.