鎌池和馬『とある魔術の禁書目録』10周年記念完全新作アニメーションPV映像

To celebrate the ten years of Kazuma Kamachi's professional career as a writer, Dengeki released a video showing the main cast of Kamachi's works as they gather for the 10th anniversary event. (Source: Toaru Majutsu no Index Wiki)