fiqh As-salamu alaykum Ustadh what are the rulings on khulwa both online and offline جَزَاكَ ٱللَّٰهُ خَيْرًا

Being alone and online it is even more dangerous as u can talk and maybe see each other whenever u want. Therefore u should not let that option be on the table in the first place. There should be a very trustworthy person with u whete u can not cross any line in his presence like your father.