Rule 34 Dev - 1girl arm_up collarbone hand_in_own_hair hat highres holding holding_hat holding_unworn_clothes kogawa_masayoshi long_hair monochrome one-piece_swimsuit open_mouth original pointy_ears sepia simple_background solo standing striped_clothes striped_one-piece_swimsuit swim_cap swimsuit thigh_gap unworn_hat unworn_headwear|23570869140