1girl, o, arimon_(dfrgty12), arms_up, ass, bare_legs, barefoot, bed_sheet, blush, cardigan, feet, hair_bun, ichikawa_hinana, idolmaster, idolmaster_shiny_colors, legs, legs_up, light_brown_hair, looking_at_viewer, lying, on_back, parted_bangs, plaid, plaid_skirt, pleated_skirt, school_uniform, single_side_bun, skirt, soles, solo, toes, yellow_cardigan