A reincarnated sage with the "Imperial Seal" that allows him to follow demons : Becoming the strongest adventurer in secret with the magic and followers he once had 5

Manaf, the enemy of mankind, the demon king, attacks! Rudis and his friends, who had defeated the vampires who attacked Elpen, gathered at their base to accept the increased number of followers. Then the succubus attacked. They are led by Manaf, the demon king who fought against them in his previous life! What is the true reason for the demon king himself to contact Rudis and the others? The fifth volume of the otherworldly reincarnation "demon" fantasy!

Manaf, the enemy of mankind, the demon king, attacks! Rudis and his friends, who had defeated the vampires who attacked Elpen, gathered at their base to accept the increased number of followers. Then the succubus attacked. They are led by Manaf, the demon king who fought against them in his previous life! What is the true reason for the demon king himself to contact Rudis and the others? The fifth volume of the otherworldly reincarnation "demon" fantasy!