Lord of All People: Become a Noble Young Master at the Beginning

[Lord competition + farming + system + trying plot + trying blood + single female protagonist] The protagonist is accidentally reborn in a different world and is reincarnated as a noble young master of a Bangkok family. Faced with the departure of the father, the strongest man in the family, the erosion of the undead empire next door, the prying eyes of the surrounding nobles, and the arrival of all the lords. How should he face it? As the only tainted Holy Light Swordsman in the family and the owner of the lord system, how does he develop his own territory and dominate the continent.