The Reincarnated Villain Raises the Future Hero. Pierced by the sword of humanity’s hero Klein and on the verge of death, Clayton R. Shane breaks free from the power of corruption at the last minute. After observing the expression of regret and guilt on his brother’s face, Shane wakes up in the past, 15 years ago. “I am sorry. I’ve been so cold to you all this time.” “Big brother…?” The days filled with inferiority are gone. Now it was time to stop the source of evil that would destroy the world. Shane’s plan to correct his twisted fate begins!