matarou (genkai toppa)  idolmaster idolmaster cinderella girls  sagisawa fumika  10s 1girl absurdres bangs bare legs bare shoulders black hair blue eyes blue skirt blush book dark background embarrassed hair between eyes hairband highres holding holding book knees together feet apart long hair looking at viewer off-shoulder sweater panties pantyshot pantyshot (sitting) ribbed sweater shawl simple background sitting skirt solo sweater underwear white panties