serebi ryousangata, kikuchi makoto, producer (idolmaster), idolmaster, idolmaster (classic), translated, 00s, 1girl, blush, clothed sex, condom, condom packet strip, condom wrapper, hand under clothes, hand under shirt, petite, plaid clothes, plaid skirt, pussy juice, rough time school, school uniform, serafuku, sex, shirt, skirt, solo focus, straddling, text focus, tissue, tissue box, upright straddle, vaginal