Mastering the Era, Starting with Hunting

Hunting + pocket dimension + period setting + stockpiling supplies. (If you spot anything inappropriate, feel free to take a screenshot and leave a comment saying how it should be rewritten. I'm new to this, so please go easy on me.) The male lead transmigrates to a courtyard house in a bygone era. He develops his pocket dimension, hunts in the mountains, watches the drama unfold in the courtyard, gives the troublemakers a little punishment, gets married and has children, and lives a carefree, happy life. The protagonist is very young at first, so the story is mostly narration; the plot picks up later...