1girl, ass_visible_through_thighs, bare_arms, bare_shoulders, bikini, black_bikini, blonde_hair, blue_sky, braid, breasts, brown_eyes, closed_mouth, cup, day, drink, drinking_glass, drinking_straw, eyewear_on_head, feet_out_of_frame, girls'_frontline, holding, holding_cup, innertube, long_hair, looking_at_viewer, medium_breasts, navel, outdoors, ren_huozhe, serdyukov_(crow_lifeguard)_(girls'_frontline), serdyukov_(girls'_frontline), sky, smile, solo, stomach, sunglasses, swimsuit, thigh_gap, twin_braids, underboob, whistle, whistle_around_neck