One day monsters appear in Kakehashi City. The school Chiyoko and Haruka are in shakes like during an earthquake and the window panes shatter all at once. During the commotion, the two rush to the rooftop. They see bodies lying in the street and smoke in the distance. A strange talking cat approaches them and asks them to become 'warriors' in order to fight against 'Biomonsters'. Panicked, Chiyoko is first to agree. She receives a round gemstone-looking transformation device along with a rather painful needle in the back. She suddenly finds herself able to travel faster than the speed of sound. Together with Haruka they are barely able to fend off the Biomonsters. The cat tells Chiyoko and Haruka they have to search for more students with the potential to become 'warriors' like them. Over the next few weeks they continue searching for members, however, Chiyoko's reputation as a dangerous person and her lack of common sense causes her to be misunderstood frequently. Beyond that, not everyone isn't so willing to risk their life. Why should they be? This isn't the army. No-one is there to force them to join, or to keep order. Some reach out to others. Some reach out to their friends anew. Others sit back and watch anxiously or with disapproval. Even as the threat of annihilation grows, their personal worries remain in the air. The days ahead lay filled with turmoil, large and small.

Main heroine Chako is a female swordsman who loses beloved person by enemy general and swears revenge. [From [url=https://vndbreview.blogspot.com/2020/07/vn-of-month-march-2008-12riven-climinal.html]vndbreview[/url]]

――――ストーリー―――― アトゥム大陸ーー フェルミ国 ボゾン国の二つの国が 大陸の覇を競い、争っていた ――――――――――――――――― ver1.00 ： 2016/09/15 完成。 ver1.01 ： 2016/09/17 30話修正。 ver1.02 ： 2016/09/18 マップを全面的に修正、敵幸運値上昇、バグミス修正 ver1.03 ： 2016/09/20 誤字修正、スキル限界数１０→２０ ver1.04 ： 2016/09/23 ３０話のエンディングイベントが二回起こる不具合修正 ver1.05 ： 2016/09/25 １９話修正 人物辞典３キャラ追加 ver1.06 ： 2016/09/29 誤字修正 ３０話のミス修正 範囲魔法の威力アップ ver1.07 ： 2016/10/11 誤字、ゲストユニットへのコメントなど全体的に修正 ver1.08 ： 2016/10/13 １５話の進行不能バグなど修正 ver1.08b ： 2016/10/14 １５話のミス修正 ver1.09 ： 2016/10/19 味方ユニットの成長率減、攻撃の限界値+1 ver1.10 ： 2016/10/22 バランス変更の再調整、35，40レベルで固定スキル習得など ver1.11 ： 2016/11/03 １５、１６話の調整 バグミス修正 ver1.12 ： 2016/11/07 オープニングでゼディーラが敵を倒せてない点修正 ver1.13 ： 2016/11/12 ミス修正 ver1.14 ： 2016/12/29 30話の画像ミス修正、ツールバージョンが大きく上がりました ツイッターでのみ公開 ver1.15 ： 2017/01/06 version1.14で起こる不具合修正 ver1.16 ： 2017/02/03 神秘の杖バグ修正