1girl, ass, black_hair, blush, breasts, from_behind, grey_eyes, large_breasts, long_hair, looking_at_viewer, love_live!, love_live!_nijigasaki_high_school_idol_club, nijigasaki_academy_school_uniform, oku_1225, one_side_up, running, school_uniform, sidelocks, smile, solo, summer_uniform, upper_body, white_background, yuuki_setsuna_(love_live!)