Shared Heavens from Douluo Continent

After all, developing an APTX4869 with no side effects was not something that could be accomplished overnight. Naturally, the more test subjects, the better. Dai Changsheng was also very interested in Professor Agasa's black-tech inventions. Having Ai Haibara move into his home would make it easier for her to serve as his inside agent and steal those black-tech research materials.