1girl, <, alternate_costume, artist_logo, brown_eyes, brown_hair, closed_mouth, cosplay, crossed_arms, flat_chest, gloves, kanon_(kurogane_knights), kantai_collection, light_blue_background, looking_at_viewer, medium_hair, one-hour_drawing_challenge, ryuujou_(kancolle), simple_background, solo, thighhighs, twintails, ukuru_(kancolle), ukuru_(kancolle)_(cosplay), white_gloves, white_thighhighs