!?, 1other, 2girls, d, bare_shoulders, black_eyes, black_hair, blush, breasts, cleavage, collarbone, covered_navel, embarrassed, hair_ornament, hairclip, idolmaster, idolmaster_cinderella_girls, large_breasts, mabanna, mature_female, mother_and_daughter, multiple_girls, nose_blush, p-head_producer, producer_(idolmaster), sasaki_chie, sasaki_chie's_mother, school_swimsuit, school_uniform, smile, speech_bubble, standing, surprised, sweatdrop, swimsuit, undersized_clothes