2girls blue_hair breasts covered_navel dark_blue_hair embarrassed groin headphones highres i-13_(kancolle) i-14_(kancolle) kantai_collection looking_at_viewer multiple_girls one-piece_swimsuit sailor_collar sandals school_swimsuit school_uniform serafuku short_hair simple_background sitting small_breasts smile swimsuit toes tr-6 wariza white_serafuku yellow_eyes