极黑的布伦希尔特

Ryota Murakami, a high school student with excellent academic performance, is the only member of the astronomy club. When he was a child, his black cat "friend" died in a dangerous accident in order to rescue Ryota. He once had an agreement with the other party that aliens really existed, so he hoped that he could look up at the night sky instead of the deceased black cat. He has When I was in time, I used astronomical telescopes to look up at the vast starry sky in the Astronomical Club, trying to find the existence of aliens. Until one day, a beautiful girl transfer student Heiyu Ningzi was transferred to Liangtai's class. He was surprised to find that the transfer student Heiyu Ningzi was very similar to his childhood sweetheart, little black cat. Kuroba Ningko is also an extremely mysterious and weird child. She can't calculate multiplication, but she can predict the death of others. She also rescued Ryota in the heavy rain and told him that she was a magician who escaped from the research institute. In order to protect Liangtai, Ningzi also did not contact him, but Liangtai still rushed forward without hesitation, and the story unfolded from this..