C223 Black Gas in His Body

Du Haibin was Du Haisoong's older cousin, and his old grandfather was Du Haisoong's real brother. When they arrived at Old Du Family's "Hai" generation, the relationship between the two of them had yet to be of the fifth generation.

According to the rules of many places in the Huaxia Contury, one would be considered a distant relative after being born for five generations