[Machine Translation] Van, a boy who was expelled from the marquis's house and became the lord of a remote village because of his aptitude for "production magic," which is considered "useless. While he is developing his village by utilizing his knowledge of his previous life and production magic, Van is called back to war with the Kingdom of Yelinetta by order of the king. Van was ordered to set up a temporary base to help the march using production magic. He is also ordered to build a fort right in the middle of the battlefield...?