1boy, 1girl, d, bikini, black_bikini, black_choker, black_eyes, black_thighhighs, blonde_hair, blue_shorts, breasts, choker, collarbone, girl_on_top, hetero, idolmaster, idolmaster_cinderella_girls, large_breasts, looking_at_viewer, navel, open_mouth, shiomi_syuko, short_hair, shorts, simple_background, smile, squatting_cowgirl_position, sweat, swimsuit, thighhighs, tomajiyama, white_background