Rule 34 Dev - 1girl apron arthur_ko black_vest blank_eyes blank_stare bow bowtie depressed expressionless frustrated grey_hair hair_between_eyes holding holding_mop kantai_collection kasumi_(kancolle) kasumi_kai_ni_(kancolle) looking_down medium_hair messy_hair mop puka_puka school_uniform serafuku shaded_face sidelocks solo vest|18158155353