1girl, ahoge, arm_support, blush, bow, bowtie, buttons, collarbone, dress, eyelashes, flat_chest, greyscale, groin, hair_bow, half-closed_eyes, hosizora_mikoto, idolmaster, idolmaster_cinderella_girls, legs, long_sleeves, looking_at_viewer, low_twintails, messy_hair, monochrome, nose_blush, on_bed, pillow, sailor_collar, seductive_smile, short_hair, sitting, smile, socks, solo, steam, thigh_gap, thighs, twintails, yusa_kozue