1girl, alternate_costume, ass, ass_focus, back_cutout, bare_arms, bare_shoulders, black_hair, blue_archive, blue_one-piece_swimsuit, blush, breasts, closed_mouth, clothing_cutout, competition_swimsuit, dark-skinned_female, dark_skin, from_behind, halo, huge_ass, karin_(blue_archive), large_breasts, long_hair, looking_at_viewer, looking_back, one-piece_swimsuit, ponytail, silver_bullet_(ecc12_8), solo, swimsuit, thighs, very_dark_skin, wet, yellow_eyes