1girl, 2boys, bad_pixiv_id, bare_shoulders, bikini, blue_hair, blue_sky, blush, boca, breasts, choker, cloud, dark-skinned_male, dark_skin, day, girls'_frontline, grin, hairband, hetero, innertube, large_areolae, long_hair, multiple_boys, navel, parted_lips, red_eyes, scar, scar_on_neck, sky, smile, sun, swimsuit, thunder_(girls'_frontline), white_bikini