I Got a Lottery System

He is a surgeon, but due to an accident, he returned to his boyhood. After rebirth, he not only possesses the superb medical skills of his later generations, but also possesses a smart computer that stores alien high-tech. Facing the historical changes of the next thirty years, he secretly vowed to use his medical skills and knowledge to change the future of himself and his relatives... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.