1girl, anastasia_(idolmaster), bathroom, black_bra, blue_eyes, blush, bra, breasts, cleavage, holding, holding_shower_head, idolmaster, idolmaster_cinderella_girls, long_bangs, looking_at_viewer, medium_breasts, rum_raisin_(chihiromakita19), see-through, see-through_shirt, shirt, short_hair, shower_(place), shower_head, smile, solo, tile_wall, tiles, underwear, water, water_drop, wet, wet_hair, white_hair, white_shirt