Hong Kong Crossover from the Start: Don’t Want to Join the Underworld? Go Teach

They say a thug isn't scary; a thug with an education is. Liu Mang was born into a Hong Kong crime family. His grandfather was a veteran of the Shui Fang triad, his father fled early after being wanted by the police, and his mother was surnamed Deng, making Deng Bo of Wo Shing Wo his maternal grandfather... Yet he refused to follow the usual path. He studied hard and got into the mathematics department at the prestigious University of Hong Kong. Instead of becoming the heir to a crime empire, he went straight into teaching after graduation...