3girls 4koma :3 :| ahoge animal_costume bkub bracelet c: closed_mouth comic commentary cosplay futaba_anzu greyscale hair_ornament ichihara_nina idolmaster idolmaster_cinderella_girls inhaling jewelry kigurumi long_hair monochrome moroboshi_kirari multiple_girls rabbit_costume sidelocks size_difference sleeping smile snoring star_(symbol) star_hair_ornament two-tone_background vest visible_air zzz