3girls artist_request blonde_hair brown_eyes brown_hair card_(medium) character_name day idolmaster idolmaster_cinderella_girls jpeg_artifacts koseki_reina long_hair multiple_girls naked_towel official_art onsen pixie_cut ponytail senzaki_ema short_hair solo_focus sun_symbol towel towel_on_head very_long_hair very_short_hair yorita_yoshino