1girl, chitanda_eru (hyouka), solo, long_hair, looking_at_viewer, curious, open_mouth, hairband, uniform, brown_eyes, holding, black_hair, standing, full_body, book, ribbon, beige_uniform, white_hairband, white_ribbon, holding_book, mystery, club, school, library, shelves, books, oreki, school_style, collar, bow, skirt, brown_shoes, black_hairband