1girl, aru_(blue_archive), black_bra, black_panties, blue_archive, bra, breasts, brown_eyes, from_behind, halo, hiroki_(yyqw7151), horns, looking_at_viewer, looking_back, medium_breasts, panties, parted_lips, red_hair, shirt, simple_background, smile, solo, underwear, white_background, white_shirt