Seichi Kohryu is the protagonist of the High School DxD and Fate series crossover story, Fate/e-TURN-ity. Born into the Fate world, Seichi is a second-year student at Kuoh Academy, shortly after the events known as the "Heaven's Feel Conflict." Since the conclusion of the war, he has arrived in the world of High School DxD through unknown means. He is also considered to be "the purest boy in Kuoh," and the "ultimate non-ecchi playboy," the latter teasingly coined by Aika, due to his interactions with many of the female cast members.