1girl, bad_pixiv_id, bare_arms, bare_shoulders, bikini, blue_sky, blush, breasts, cellphone, clip_studio_paint_(medium), closed_mouth, cloud, day, fingernails, front-tie_bikini_top, front-tie_top, hair_ornament, halterneck, hands_up, holding, holding_phone, horizon, hoshino_ai_(oshi_no_ko), keity_tan, long_hair, looking_at_viewer, medium_breasts, nail_polish, navel, ocean, oshi_no_ko, outdoors, phone, pink_nails, purple_eyes, purple_hair, rabbit_hair_ornament, side-tie_bikini_bottom, sky, smartphone, smile, solo, star-shaped_pupils, star_(symbol), stomach, string_bikini, sunlight, swimsuit, symbol-shaped_pupils, white_bikini