Noumin Kanren No Skill Bakka Agetetara Nazeka Tsuyoku Natta. (農民関連のスキルばっか上げてたら何故か強くなった。)

Storyline

In order to live a peaceful little life in the countryside, Aru Wayn, a young boy of 17, decides to improve his farming skills as a priority. Although he also improves his other abilities by lending a hand to his friends from time to time, he still makes a point of prioritizing his future career as a farmer. One day, he manages to increase his farming skills to the maximum level and thinks that he will finally be able to live his dream life. However… some unforeseen events are about to upset his plans.