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Leu Leu Leu Rrr
También conocida como: 르르르 · Rrr · Rrrrr · ルの聲 · 畸变低鸣
A monstrous creature suddenly appears in the midst of an ordinary day, and around it, the students begin to transform into monsters one by one. Ordinariness is completely shattered, and rescue seems impossible. The students band together and survive in their own unique ways.