1girl, ass, blush, green_hair, idolmaster, idolmaster_(classic), idolmaster_stella_stage, looking_at_viewer, midriff_peek, mole, mole_under_eye, pleated_skirt, school_uniform, serafuku, shiika_(idolmaster), shirt, short_sleeves, silhouette, simple_background, skirt, smile, solo, standing, tsurui, white_serafuku, white_shirt, white_skirt