1girl bangs bare_shoulders blush bra breast_lift breasts closed_mouth collarbone commentary_request ebifurya folded_ponytail glasses green_eyes groin heart highres holding kantai_collection katori_(kancolle) light_brown_hair long_sleeves looking_at_viewer medium_breasts off_shoulder one-hour_drawing_challenge open_clothes pointer riding_crop semi-rimless_eyewear simple_background smile solo spoken_heart twitter_username under-rim_eyewear underwear upper_body white_background