Rule 34 Dev - 1girl female_focus foreshortening front-tie_top full_body green_hair highres jewelry koikawa_hayato mermaid monster_girl muromi-san namiuchigiwa_no_muromi-san necklace no_navel open_mouth red_eyes shell_hair_ornament solo twintails upside-down watermark wrist_cuffs|6976025199