MTL - Eternal Sacred King - Chapter 3352 slaying spear

My reunion with her took place in the worst possible way.

She fought in the Battle of Changping and witnessed the killing of hundreds of thousands. She once led the Qin Iron Calvary and battled against the Six Kingdoms. She has seen a third of the land and witnessed the breaking of mountains and rivers. The sound of a grand zither and the light of a great female emperor. A prosperous world that was forged on the battlefield. Yet, these two thousand years are forgotten from history.

- Description from Novelupdates

Ryutaro, an ordinary high school student, was suddenly summoned to another world by a mysterious magic circle in his room. Upon arrival, he was greeted by King Albert of the Celestia Kingdom, who declared him a hero destined to defeat the Demon King. However, when Ryutaro checked his status, he was shocked to discover that his assigned job was not a warrior or mage, but… a Farmer.Deemed a failure, Ryutaro was cast away to Black Forest, a place where unfit heroes were abandoned and where the Demon Queen was imprisoned. Just as he was about to despair, a system notification revealed the existence of a Legendary Hoe, a mythical farming tool with extraordinary abilities. Determined to prove his worth, Ryutaro embarks on a journey to master his newfound power and show the world that even a farmer can become a hero.But deep within the forest, an unknown figure watches his every move… Who is this mysterious person, and what awaits Ryutaro in this new world?