idolmaster, idolmaster cinderella girls
koshimizu sachiko
gummyrise
1girl, bed, blush, bow, breasts, clothes on bed, condom, greyscale, hair ornament, hairclip, looking at viewer, lotion, lying, monochrome, navel, nipples, on back, open mouth, pillow, school uniform, short hair, skirt, small breasts, solo, thighhighs, unworn clothes
commentary request