Hello Kani and welcome to the forum.
You sound ready to go at it and that is a great attitude. Get yourself a plan, set your goals and we can support and motivate you as much as you need. Yes, ultimately you are the one who has to put in the effort and exercise and watch your food intake but we can encourage you along the way. I am also 5 foot 2 and started at 85 kgs, as you can see I last weighed in at 58.4kgs so it can be done with effort and focus.
The home page
has plenty of tools and tips, so check it out if you haven't already.
All the best on your weightloss jouryney.