My Chaebol Eldest Lady

After Earth's genius doctor Xu Feifan was assassinated by his enemies, he traveled to a parallel world, the Dahua Federation, and became the personal bodyguard of the chaebol lady Xie Liuyun. Using his medical skills and knowledge from the earth, Xu Feifan shined and continued to grow into a new chaebol. He had fierce conflicts with the old chaebols, and finally combined with Xie Liuyun to end the era of Dahua Federation chaebol rule.