binsen, mogami shizuka, idolmaster, idolmaster million live!, highres, 1boy, 1girl, bar censor, bikini, bikini bottom aside, black hair, blue eyes, breasts, censored, closed mouth, clothed female nude male, clothed sex, clothing aside, covered erect nipples, cowgirl position, erection, girl on top, gold bikini, gold necklace, hetero, indoors, jewelry, jitome, long hair, looking at viewer, navel, necklace, nude, penis, sex, small breasts, solo focus, straddling, swimsuit, vaginal