I Have Three Hundred Adopted Sons in the Ancient Continent

Suddenly he had a dream, Bai Yuan didn't know where he was … It turns out that there are so many street children in this continent, Bai Yuan decided to adopt them all and teach them well. After carefully educating the children for twenty years, Bai Yuan woke up from his unexpected dream. It turned out to be just a dream. Bai Yuan, who was walking on the street, jumped into the water to save others and came to the world in his dream again. And this world has already passed five hundred years from the time in his dream! What will happen to Bai Yuan in this world...