海藤瞬, The Jet-Black Wing
His bodys Grade 11 but his minds Grade 8. Saiki Kusuo Shun is a young man who considers himself to be the JetBlack Wing a lone hero fighting against the evil organization Dark Reunion. He also believes his powers stem from a dark being living within his arm. To his friends and peers including Saiki hes simply an immature kid playing a game that only he understands.