1girl arm_up armpits bangs black_hairband blunt_bangs blush braid breasts cheerleader clothes_writing crop_top de_ruyter_(kancolle) fang floating_hair flying_sweatdrops green_footwear green_skirt hairband hand_up heart heart_print highres holding holding_pom_poms kantai_collection linea_alba long_hair looking_at_viewer medium_breasts mizuta_kenji motion_lines navel no_panties one-hour_drawing_challenge open_mouth pleated_skirt pom_pom_(cheerleading) red_hair shirt simple_background skin_fang skirt sleeveless sleeveless_shirt solo sweat thighs translated twitter_username underboob white_background wind wind_lift yellow_eyes