Demon Lord, Retry! Specials Episode 4 Petit Retry! 4 ( Air Date 2019-06-28 ) Genre Animation, Action & Adventure, Comedy, Sci-Fi & Fantasy category. Overview "Akira Oono awakens in the body of his online character: Demon Lord Hakuto Kunai. With powerful game mechanics and abilities on his side, this gamer turned badass plots his course through a new world filled with saints, demons, and charming companions!".