1girl, bare_legs, black_serafuku, blush, feet_out_of_frame, grey_skirt, head_tilt, hugging_own_legs, idolmaster, idolmaster_shiny_colors, knees_up, light_brown_hair, looking_at_viewer, namiki_illust, pleated_skirt, sakuragi_mano, school_uniform, serafuku, sitting, skirt, solo, tears