The Spiritual Energy Recovery in Invincible Heroes

He traveled through time and became an ordinary eldest son of a baron. He thought it was an ordinary medieval life, but he didn't expect that the world was becoming more and more skewed, with smarter and smarter women, demons suddenly appearing, and a strong enemy... For love, justice, and world peace, the protagonist picks up the sword in his hand and fights for the world! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.