1girl, bra, breasts, brown_hair, clothes_lift, clothes_pull, comiket_100, cover, cover_page, double_bun, grey_bra, hair_bun, idolmaster, idolmaster_shiny_colors, jacket, looking_at_viewer, lying, navel, on_back, on_bed, open_clothes, open_jacket, open_mouth, pants, pants_pull, pillow, red_eyes, saliva, shirt_lift, short_twintails, shuiro_(frog-16), solo, sonoda_chiyoko, stomach, sweat, track_jacket, twintails, underwear