Ashes of Love and Longing

Looking for Period Novels Set in the 1950s, 1960s, or 1970s, Featuring Transmigration

Looking for a Period Novel Where Both Leads Are Secretaries

The heroine is pretty wealthy in the modern world, but transmigrates into a very poor family and becomes a factory worker. Later, she becomes someone's secretary. The male lead is also a secretary, and he loves good food. His father is a soldier and strongly disapproves of his extravagant habits.