I Just Want to Farm, But My Beasts Keep Evolving!!

All Raiden wanted to do was to farm quietly. But his sheep kept fighting!! After dying in his old world and waking up in the body of a freshly graduated nobody in a world full of monsters that are bigger than the tallest skyscrapers, Raiden made a quick, sensible decision: avoiding danger at all costs. Forget becoming a battle master and monster-infested frontiers, he just wanted to take his little sister Sylvia and retire to their inherited farm to raise sheep. Peaceful, profitable, and most importantly, safe. His master plan? Buy the cheapest Woolie in the market, shear its wool, and live off the profits. Simple, right? What could go wrong? As Murphy's Law states, anything that can go...