I'm Surrounded by Destiny's Children

Lu Wuchen, a native of Beixuan Realm, has good looks and a cool temperament. But he has a little secret - in addition to the immortal cultivation techniques, his mind is also filled with knowledge of Taoism and physics from previous lives. (Cultivation to immortality? Do a stress analysis first!) However, the gears of fate began to turn forcibly! Why are the backgrounds of the little girls I picked up so simple? Why do the legendary "children of destiny" who are reborn, have strange fates, and have big bosses behind them always come to me? Lu Wuchen looked at the growing group of "problem children" around him and fell into deep thought: I am just a theoretical physicist (self-proclaimed) who loves to study, why am I always working as a nanny? Also, that drunken master who was spying on me secretly, could you pay for the drink first before making any sarcastic remarks?