1girl, bare_legs, blue_hair, blue_shirt, blunt_bangs, blush, book, bookshelf, braid, c_(theta), collarbone, dark_blue_hair, idolmaster, idolmaster_million_live!, lens_flare, library, looking_at_viewer, nanao_yuriko, panties, pantyshot, shirt, sitting, solo, underwear, white_panties, yellow_eyes