Only by practicing muscles and doing anaerobic exercise can muscle pain be normal.
So now you can put down the amount of exercise and gradually increase it after you get used to it.
After fully adapting, the training plan should be like this: do complete aerobic exercise! It means doing exercises between aerobic and anaerobic. The faster you feel, the worse your breathing rhythm will be, and it will be too easy to slow down. That limit is ideal aerobic, 1 week can rest 1 day. People lose weight 1 week under normal, effective and harmless conditions. 5 Jin is ok, but don't expect to lose that much. This is professional training. You keep 1 week 0. Five kilograms is enough.