Pokemon: From the Start, I Had a Bought Bride

Wu Feng dies from overwork and transmigrates to a Pokemon world, taking over the body of a despondent sixteen-year-old young researcher. He also has Su Yao, a sixteen-year-old girl who was sold to him by her family. Determined to give Su Yao a warm home, he draws on his memories of Pokemon from his previous life and becomes a professor. When he reaches that rank, his System awakens, and he sets out to dominate the Pokemon world with his adorable little wife.