Government Spies

Although Brie and Chevre gained a good amount of hacking skills, Xia Jianyu had a hand in everything they had done so far. It was him who first introduced the twins to his mother's software where all the hacking was made easy. 

Xia Ting, including Anton Yeong, believed that the children should be empowered at a young age, given the technological advancement every year. Andrea, Lu Fang, and Li Wen at first were reluctant to teach the kids, so they held back, merely showing the tip of the iceberg. 

Even if they recognized that it was best for them to learn during their formative years, part of them wanted the children to have a normal childhood where they can enjoy playing games, learning art, music, or getting into sports.