Manga Rebirth Of The Divine Doctor

Feng Yu Heng was a high-ranking Marine Corps officer who was largely proficient in both Western and Chinese medicine. However, after a strange sound, he is reborn in a completely new world. Now he has a detached father, a sick mother, a younger brother and cruel and ruthless sisters who compete in their cruelty.
Want to challenge me and compete? There will be war for you! Just try to do me any harm, and I will turn you into a walking mince. Do you want a foul and dirty game? Now I can paralyze your body with one needle, thanks to the knowledge of medicine. The once aggressive person completely changes to become the most desirable person in the empire and the representative of the dynasty. The hospital that he will open and for which he will train doctors will become legendary, incredibly replenish the treasury and bring world fame. But will everything be as smooth as it seems?