1girl, ako_(blue_archive), arms_behind_back, ass_visible_through_thighs, blue_archive, blue_eyes, blue_hair, blush, breasts, cleavage_cutout, clothing_cutout, earrings, groin, halo, jewelry, katagirinanoka, large_breasts, looking_at_viewer, navel, one-piece_swimsuit, simple_background, smile, solo, stomach, stud_earrings, swimsuit, white_background, white_one-piece_swimsuit