2girls, ahoge, bad_pixiv_id, blush, breasts, brown_hair, cellphone, hamedoragon, heart, holding, holding_phone, idolmaster, idolmaster_cinderella_girls, idolmaster_shiny_colors, kuwayama_chiyuki, large_breasts, long_hair, looking_at_phone, looking_up, milestone_celebration, multiple_girls, nitta_minami, phone, selfie, simple_background, smile, upper_body, v, white_background