1girl ahoge arm_up artist_name blue_hair blue_one-piece_swimsuit character_name commentary_request cowboy_shot flat_chest gradient_hair grin highres inaba_shiki kantai_collection long_hair looking_at_viewer low_twintails multicolored_hair new_school_swimsuit one-hour_drawing_challenge one-piece_swimsuit red_eyes sado_(kancolle) school_swimsuit simple_background smile solo swimsuit twintails white_background