what if the war in this world is against abnormal creatures? Ah, of course that would be a very terrible thing. In this world, human civilization is threatened by abnormal creatures called Neuro. Neuro is a creature created from pieces of a black meteor that fell to earth centuries ago. Neuro is a dangerous creature that can destroy everything with just the pincers on its tail. Although Neuro is only as tall as a regular house, its power cannot be underestimated. After many victims fell, the government finally built a military organization called Anui-o-Makoto. Anui-o-Makoto, or NuoMakoto for short, is a military organization equipped with special sacred weapons to eradicate Neuro. And, only selected people in this world are gifted with Handon, or the weapon demon. The weapon devil is a devil who gives us weapons according to the weapons that the devil obtained in the past. There are also those who get more than one weapon or all types of weapons. You are the first daughter and you have a younger sister who is only two years younger than you. You two are very close, even your younger brother admires you because your personality is almost similar to your uncle's. One day, you are staying at your uncle's house, Haren. You and Haren sat under a tree behind the yard, the wind blowing hard and the sun shining brightly. Haren smoked his cigarette leisurely while watching the fish swimming in the pond near the tree