1girl, ass, back, blush, breasts, buruma, chalkboard, classroom, cowboy_shot, desk, from_behind, grey_hair, gym_shirt, hairband, high-waist_shorts, idolmaster, idolmaster_(classic), large_breasts, long_hair, looking_at_viewer, looking_back, open_mouth, purple_buruma, purple_eyes, purple_hairband, school_desk, shijou_takane, shirt, short_sleeves, shorts, smile, solo, standing, thighs, tsurui, white_shirt