After I Married into a Wealthy Family, Mr. Pei Thought His House Was Haunted

Passing Yourself Off as an Overseas Chinese Returnee (Period Setting)

Looking for something like "Pretending to Be a Returned Tycoon in the 1980s". The protagonist transmigrates to the 1970s or 1980s as an undocumented person and uses a System to impersonate an overseas Chinese returning to the country.