the manga is about a soldier yup not part of the hero team, after dying he got returned to the past, parts i remember is that he got a contracted summon from the present which he can still summon on the past tru a device that is still not built yet, said summon it souls. he return to his village where he sees his mother and heroines head on the hand of the demon, father is a swordman who protect their village from the forest and he is friends withthe guardian ofthe forest a horned wolf