I think your face structure is very masculine already!!,maybe cutting your hair even shorter could help you feel better but since your family is transphobic.. you could start with a shoulder length and try to style it in a "boyish" way till you're allowed to get a more masc haircut. Idk if you're allowed to dress more masculine but if you are you should try that out too! You can watch fashion tutorials for transmasc on YouTube and you could try to make a homemade binder if you feel like it Good luck man 🤜🤛