Thank you for your question. It seems that the look you desire might be achievable with implants as you may not have enough fat available to transfer to reach that buttock size. i would recommend an evaluation with a Board Certified Plastic Surgeon with specialized expertise in this procedure. ...
Arian Mowlavi, MD, FACS (license on probation) says:
The beauty about buttocks implants is that you don't have to have significant fat so there is no minimum weight to have butt implants. However, you do need to have good nutrition in order to optimize your healing.