When buying a house loan, the bank will check your "personal credit report". If that report shows that you have different work units, the bank may think that you are faking it. Moreover, it is difficult to get a loan if you work in an organization for less than 1 year. I suggest you do this: issue an income certificate to your girlfriend in the name of your second aunt's unit. The longer the service, the better. The main borrower will buy a house in the name of your girlfriend. If I'm afraid of worrying about you. Suggest adoption!