謎の生物・地冥界（ディスアス）の侵攻によって危機に瀕していた人類は、不思議な魔法の力を得た魔法少女達の活躍によって救われた…。そして３年後、それぞれの生活に戻った彼女達に、その日常を切り裂く新たな事件が勃発!!　人類の救世主となり“伝説の五人（マジカル・ファイブ）”と呼ばれた魔法少女の一人、大鳥居（おおとりい）あすかは運命に翻弄されながらも懸命に現在（いま）を生きようとしていた…。

Due to the invasion of Disas—enigmatic creatures of soil from the land of the dead—mankind, who was on the verge of crisis, was saved by the efforts of magical girls who had obtained a mysterious magical power…

Three years later, new incidents suddenly occur, tearing apart the normalcy of the girls who had each returned to their normal lives. The saviours of humanity, those magical girls called “The Magical Five” now live each day fighting for their lives, even as they are trifled with by fate…