In an accident, his parents died due to him, and he was reduced from the noble young master of the Su family to a domestic servant.
In order to support his elder brother's education, he worked from dawn to dusk. No matter how hard or tired he was, he was not afraid.
What he fears is that one day, his brother will kick him out of the house.
He said: "He owes this to his brother."
Intention: brotherly love