Mumu - Jigoku sensei Nube / 夢々 (地獄先生ぬ〜べ〜 )

mumu (jigoku sensei nube), 1boy, solo, male focus, bishounen, young boy, dark skin, genderless, demon boy, black hair, short hair, pointed ears, curved horns, bat wings, white toga, sleeveless, cowl neck, cute face, flat chest,