Rule 34 Dev - 1girl ahoge alternate_costume bikini brown_eyes cowboy_shot flat_chest glasses gold_bikini highres kantai_collection light_brown_hair mochizuki_(kancolle) one-hour_drawing_challenge red-framed_eyewear side-tie_bikini_bottom simple_background solo swimsuit tetsukuzu_(yajirushi_shita) twitter_username white_background|22172324265