1girl, blush, bottle, camera, closed_mouth, clothes_pull, greyscale, holding, holding_clothes, holding_shirt, idolmaster, idolmaster_cinderella_girls, indoors, kirin_kakeru, kneeling, looking_at_viewer, monochrome, rain, shiragiku_hotaru, shirt, shirt_tug, shoes, short_hair, shorts, solo, towel, water_drop, wet, wet_clothes, wet_shirt