It's Broken, I'm Going to Become Stronger Again

Fantasy farming, unlimited upgrades! Travel through another world and become a weak prince. When he came of age, he was given the border city of Winter City as a fief. Everyone thought he wouldn't survive the first winter. However, they were surprised to find that the winter passed and the marks were intact. Not only that, when spring came, he captured giant dragons from distant valleys, put chains and farm tools on them, and let them plow the fields... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.