By the author of Medical Return! After breaking his back working with the Hero's Party, Chris w...
Mc is the kind of genius that learns quickly and can quickly master any skill or task he takes on. He wasn't the hero trying to save the world just a regular party member. But he regresses AND reincarnates when he and his party are wiped out. Decides to use his genius in his new life to gain power and influence and stop the war that killed him and his friends.