1girl, armpits, arms_up, bare_arms, bikini, black_bikini, black_hair, blue_sky, breasts, chakuma_(yiyh1468), cleavage, cloud, collarbone, contrail, cowboy_shot, day, front-tie_bikini_top, front-tie_top, gradient_hair, groin, halterneck, hands_in_hair, long_hair, looking_at_viewer, medium_breasts, multicolored_hair, navel, ocean, outdoors, purple_hair, side-tie_bikini_bottom, signature, sky, solo, sparkle, standing, straight_hair, summer, sunlight, swimsuit, underboob, yahari_ore_no_seishun_lovecome_wa_machigatteiru., yukinoshita_haruno