Read Lord, It Doesn’t Matter manga
The main character, Lord Li De is the fourth son of Lord Yunyang of YongTian Kingdom. After being reincarnated into another world filled with monsters and magic, he tried to live leisurely, but his father had different plans for him. He tried to make Li De a sacrifice in order to make his first son gain more popularity and seem a bit more cruel. This manga starts out by showing how Li De struggles to escape from being a sacrifice, then consequently how he manages his own Territory and becoming a Lord himself.
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