Akugyaku Taisen: Jigoku no Ooi Sandatsusha wa Tsumibito to Odoru

When Ouka Sakura is thrown into the depths of the abyss, Nishijima Shun, who had taken refuge on earth to be with her, decides to return to hell to save her. At the risk of his life, he goes to the home of the seventh child of the King of Hell, the beautiful princess of laziness, Nero, and begs her