1girl bangs bare_shoulders bikini bikini_top_only blue_eyes blush bottomless braid breasts brown_hair chou-10cm-hou-chan_(teruzuki's) cleavage closed_mouth clothes_writing collarbone commentary_request cowboy_shot eriyama_e hair_ornament hairband hand_up headband holding kantai_collection light_brown_hair long_hair looking_at_viewer medium_breasts propeller_hair_ornament school_uniform serafuku sidelocks simple_background smile solo swimsuit teruzuki_(kancolle) twin_braids white_background white_bikini