Reincarnated Into a Game as the Hero's Friend: Running the Kingdom Behind the Scenes (Manga) Vol. 2 (manga)

Lord Werner’s saved the day! Well, almost. Having been reincarnated into a game he played when he was young, Werner brings his knowledge of upcoming events to change the tide of battle and survive against the dreaded Demon Stampede. Meanwhile, the hero Mazel comes face to face with one of the Demon Lord’s trusted commanders. Werner knows his friend will succeed, but can this former office worker defy fate to save the lives of his troops?