Help me
Assalamualaikum brother so basically I have one younger sister she is 19 years old live in a different city when she was in 18 she move out even though my parents and said no I was worried but she said she is tried from this place and hate this place i don't what to do with her after that she really good at study and she got full funded scholarship there so she is not dependent on our parents so from past 2 months she acting werid it started with she stop wearing hijab it not like she used wear it from age fiv my parents were very strict about her so they made her wear it everywhere and she was not allowed to go outside without it that is really good thing but she seem to don't like it and after moving out she stop it all together and starting distanceing herself sometimes she doesn't even bother to call and text is so i visit her what wrong with her she was really different she was not wearing hijab and was wearing top my parents never allowed her wear it i don't even know it existed and she also have some male friend my parents always forbidden her to have opposite gender friend when I ask her why does she changed so much she said she is really tired of Islam and doesn't know what to do with her Life and decided to live her life without being in Islam I was really shocked and angry we had long argument she left after that I clam down ask her again why she changed so much she really shocked me she told me since childhood she hated because the environment of our house was uncomfortable for her she was always been in strict rule and if she doesn't follow them she used to get punish brutally compare me my parents was always been chilled about it and she hate it so she leaves Islam I don't what to do i feel bad for her because she leaving such beautiful things because of our parents I am in very hard position of my life because if i defends her I betrayed my Allah and i feel pity for her too because she always been so sweet why does she chose lose over Allah and leave Islam I don't know what to do my parents are very mad and wanted her to come back home she refused and I will be honest i never like there method of teaching once time' she was in serious condition due to my parents i really don't want to betrayed my Allah and also don't want to do wrong to my little sister what should I do pls give me suggestions