I want to switch from trainer potato to athlete by April: xxfitness

I’m currently 5’5 and 150kg (here is my photo): https://imgur.com/vP4zUwM I have random questions: If I lose weight, will I keep the same figure? Will my breasts get smaller / how can I reduce my breasts? How much weight do I need to lose to see semi-visible abs? Sports information: I’m signing up for tennis. …