1girl alternate_costume alternate_legwear artist_logo bespectacled black-framed_eyewear black_pantyhose black_skirt blush breasts chair clipboard commentary_request crossed_legs dated doctor eyebrows feet_out_of_frame glasses green_shirt highres holding jewelry kanon_(kurogane_knights) kantai_collection labcoat lips long_sleeves looking_at_viewer medium_breasts necklace pantyhose pencil pencil_skirt purple_eyes purple_hair ribbed_shirt shirt short_hair signature simple_background sitting skirt solo tatsuta_(kancolle) turtleneck white_background