2boys, back-to-back, black hair, black hakama, black headband, black wings, body markings, demon horns, facial mark, hair between eyes, hakama, headband, holding, holding sword, holding weapon, horns, japanese clothes, katana, kimono, long bangs, male focus, multiple boys, pectoral cleavage, pectorals, red eyes, short hair, solo focus, sword, weapon, white kimono, wings