2boys, blue_eyes, blue_hair, blush, demon_boy, demon_horns, demon_tail, demon_wings, fang, genshin_impact, heart, heart-shaped_pupils, holding_another's_tail, horns, kaedehara_kazuha, looking_at_another, male_focus, multicolored_hair, multiple_boys, nail_polish, pink_background, red_eyes, red_hair, scaramouche_(genshin_impact), short_hair, short_ponytail, sswd, symbol-shaped_pupils, tail, white_hair, wings, yaoi