1girl, ass, ass_focus, black_one-piece_swimsuit, blue_archive, breasts, choker, competition_swimsuit, dakimakura_(medium), from_behind, gloves, green_gloves, grey_hair, halcon, hand_on_own_ass, head_out_of_frame, highleg, highleg_swimsuit, large_breasts, medium_hair, official_alternate_costume, one-piece_swimsuit, racerback, shiroko_(blue_archive), shiroko_(swimsuit)_(blue_archive), solo, standing, swimsuit, thigh_strap