I been in relationship for 1,5 years and I always travelling to hk to visit my bf!

Hi I am sofie from Indonesia!

And now I decided to live with him in hk before we decided to going to married to know each other more!
But I don't know what kind of visa I should apply because if I going to hk as a tourist I only get 30 days and have to exit and it's really hard for me and my bf! Thanks in advance for the answer ! Gbu