The substitute wife (my poor husband is a billionaire)

When her twin sister runs away from an arranged marriage, medical student Seraphina Vance takes her place under a false identity to save her debt-ridden family, becoming the wife of the supposedly ruined and reclusive Julian Thorne. What begins as a cold business arrangement soon unravels into a dangerous web of corporate conspiracies, hidden fortunes, murder, and betrayal.

As Seraphina discovers ...