1girl alternate_costume arms_behind_back bangs breasts cleavage cropped_legs curled_horns demon_girl detached_sleeves genshin_impact greyscale highres horns lace-trimmed_leotard lace_trim leotard lumine_(genshin_impact) medium_breasts monochrome multiple_horns sbs short_hair_with_long_locks simple_background solo tail thighhighs wings