1girl, animal_ears, bare_shoulders, black_choker, blonde_hair, blush, breasts, choker, dog_ears, happy_birthday, heterochromia, highleg, highleg_panties, horse_ears, hoshikawa_sara, hoshikawa_sara_(1st_costume), jacket, long_hair, looking_at_viewer, lying, midriff, navel, nijisanji, off_shoulder, on_back, open_clothes, open_jacket, open_mouth, outdoors, panties, red_eyes, shirt, solo, tank_top, tied_shirt, underwear, very_long_hair, virtual_youtuber, white_jacket, white_tank_top, yellow_eyes, zky_(oekaky)