What a pity to your 15-year old daught for having such an irresposibility parents. It's better to unite your famliy than to stay here alone.
Going back home as soon as you can and taking care of your children is the best choice!
It's sure that you won't be punished when you go back, Former NBA player Zizheng Wang is an example for you. but you need to make a sincere apology to everyone who were affected by your behaviour. Don't expect to return to former firm as well.