Brynhildr in the Darkness aka Gokukoku no Buryunhirude, literaly Extreme-Black Brynhildr is a Japanese dark fantasy, mistery and science fiction manga series written and illustrated by Lynn Okamoto. Ten years ago, Ryota Murakami along with his childhood friend Kuroneko set out to search for signs of alien life. A tragic accident occurred, killing Kuroneko and injuring Ryouta. In honor of Kuroneko's memory, Ryouta now searches the night sky for alien signs, determined to prove that his friend had been right, and that aliens really do exist.