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A marine biology instructor wrestles with a horrifying realization about pigeons in this natural horror shocker from Japan. Back in college, Kanako nearly died in a tragic accident. Ever since then, she's developed a debilitating fear of birds. Retreating into drugs and alcohol, her situation grows dire. Just as Kanako begins to wonder if her imagination has gotten the best of her, she remembers a rumor she heard at a crime scene and realizes that her worst fears are about to come true.