Sadao Maou and two other characters HD Wallpaper

Three anime characters are shown. On the left, a woman with long red hair and a stern expression wears a grey vest over a white shirt and a blue bow tie. In the center, a young boy with dark hair has his cheeks puffed out and looks tired. On the right, a person with short blonde hair and an apron sweats and looks stressed. A red abstract shape is in the background.