Labeled "Experiment A" by five of his classmates and tortured throughout sixth grade, Shun Uruma hung on by a thread. When his bullies targeted his family, leaving him with nobody but his grandfather, it was the final straw—Uruma had suffered enough. Determined to get back at his enemies, Uruma begged his grandfather, a WWII veteran, to guide him through the path of vengeance.Four years later, Uruma completes his intense training and embarks on a brutal journey of torture and retribution to hunt down the five monsters who made his school life a living hell.Read Online!
500 years after the strongest demon lord was defeated by the heroine Mia, Al, the lowest adventurer, who was tricked by the hero (a descendant of the hero Mia) and obtained a cursed sword. However, the sword caused Al to regain all the power and memories of the demon lord. As the reincarnation of the demon lord, Al embarks on a journey to eliminate the rotten heroes.