1girl, d, arms_behind_back, bad_twitter_id, bare_shoulders, black_bra, blonde_hair, blush, bra, breasts, festa11307070, hair_ornament, hair_ribbon, heterochromia, hoshikawa_sara, hoshikawa_sara_(1st_costume), large_breasts, long_hair, looking_at_viewer, navel, nijisanji, open_mouth, orange_eyes, outdoors, pink_eyes, ribbon, shirt, side_ponytail, smile, solo, tied_shirt, underwear, virtual_youtuber, x_hair_ornament