Hyakuya Yuuichirou and Ashuramaru from Owari No Seraph HD Wallpaper

Two anime characters are depicted in a dynamic pose. The character in the foreground, a male with black hair and yellow eyes, wears a dark uniform and wields a sword. Behind him, a female character with long black hair and horns has sharp teeth and wears a black and white outfit. Both are surrounded by glowing yellow energy and chains.