1boy, 3girls, 4koma, 3, d, ^_^, animal_ears, ball, baseball, baseball_mitt, blue_eyes, breasts, brown_hair, cleavage, closed_eyes, comic, dog_ears, dog_tail, fake_animal_ears, fake_tail, fang, green_eyes, himekawa_yuki, holding, holding_ball, idolmaster, idolmaster_cinderella_girls, long_hair, looking_at_another, medium_breasts, multiple_girls, open_mouth, producer_(idolmaster), sakuma_mayu, serebi_ryousangata, shibuya_rin, smile, tail