1girl, ahoge, ball, blush, breasts, buruma, exercise_ball, gym_shirt, idolmaster, idolmaster_shiny_colors, indoors, komiya_kaho, kumanomi, long_hair, looking_down, medium_breasts, oppai_loli, outstretched_arms, red_buruma, red_eyes, red_hair, shirt, sitting, sitting_on_ball, solo, spread_legs, stuffed_animal, stuffed_toy, teddy_bear, window