1girl, |, ahoge, alternate_costume, ass, back, bare_shoulders, bikini, black_bikini, black_hair, blue_archive, breasts, closed_mouth, cowboy_shot, dark-skinned_female, dark_skin, film_grain, frilled_bikini, frills, from_behind, halo, karin_(blue_archive), large_breasts, lens_flare, long_hair, looking_at_viewer, looking_back, number_tattoo, ponytail, sbgu, shoulder_tattoo, side-tie_bikini_bottom, sideboob, sidelocks, sky, solo, string_bikini, sweatdrop, swimsuit, tattoo, thighs, underboob, very_long_hair, wavy_hair, yellow_eyes