1girl aka_fuda bare_legs black_hair black_sweater breasts covered_nipples demon_girl demon_horns green_eyes heart heart_background highres horns huge_breasts knees_up merii_(musuko_ga_kawaikute_shikatanai_mazoku_no_hahaoya) musuko_ga_kawaikute_shikatanai_mazoku_no_hahaoya pointy_ears ribbed_sweater semi-rimless_eyewear sharp_teeth signature sweater teeth under-rim_eyewear