The 70s Novel: The Supporting Character Just Wants to Lie Down

A modern female white-collar worker, an older single woman, Wang Miaomiao, overworked herself to death, and after that, she transmigrated into a book she was reading and became the half-sister of the female protagonist. Sigh... Working so hard in the previous life, in this life she has to make up for it, or else how can she live up to the luck of this rebirth. Although the initial setup is not ideal, this girl knows how to adjust and adapt... However, life is full of surprises. She originally only wanted to lead a relaxed and carefree life, enjoying food and fun on her own, but unexpectedly, a big bad wolf has his eyes on her. Sigh... her leisurely days are gone forever...