1girl, argyle_hairband, armpits, arms_up, bed_sheet, blue_eyes, blush, bra_visible_through_clothes, breasts, breath, brown_hair, detached_sleeves, from_above, idolmaster, idolmaster_cinderella_girls, large_breasts, looking_at_viewer, lying, mattyazuki, on_back, orange_skirt, pleated_skirt, red_ribbon, ribbon, sagisawa_fumika, shirt, skirt, sleeveless, sleeveless_shirt, solo