No wonder this got axed with how stupid, incompetent and boring the mc is. Just another one of those series where everyone is so much better than mc at everything, but he somehow pulls through because plot demands it.
Its the time honored manga author tradition of severely looking down on our ancestors. Believing them to be stupid cave dwellers with lacking knowledge and no interest in tasty food.
Kind of amazing how both knowledgeable and stupid mc as at the same time. Also that new girl is suspiciously informed and skilled. Especially when mc is dumbed down to make her more impressive