Antiqua Mageía wa Amarinimo

The peaceful kingdom ruled by Princess Louise was suddenly attacked by monstrous "Armed Penguins!" The kingdom's forces, led by magic technician Guillaume, fought back with "Modern Magic" that utilized the pinnacle of scientific technology, but their efforts were not enough. The kingdom faced the brink of destruction. Just as the citizens were about to fall into despair, Alvira, the great mage from 1000 years ago mentioned in the prophecy, was revived! He unleashed the most powerful "Ancient Magic" against the swarming Armed Penguins, but...!? (Source: Overlap, translated)