Hiroko Koumon is a woman who has continually undergone bodily modifications. She is a genuine masochist who experiences pleasure through having her body dominated and transformed by her Master. Obeying her Master's commands, Hiroko has had piercings placed on her labia and nipples, with a padlock permanently attached to her labia piercing—the key kept solely by her Master—effectively turning her labia into a chastity device. She also wears a nose ring, relishing the treatment as livestock, reinforcing her joy in being her Master's property. Her tongue has been modified into a snake-like split tongue (split tongue), enhancing the pleasure she feels during oral service on her Master's penis. Her anus has been so extensively stretched—earning her the name "Hiroko Koumon"—that she can accommodate various sizes of anal play, from anal pig balls to XXL-sized anal plugs. The video also includes scenes of anal fisting and anal rose. No matter how painful the act, Hiroko gladly accepts all her Master inflicts upon her, wishing to serve him in this manner for life. This work consists of footage self-recorded by amateur BDSM enthusiasts, devoid of typical AV staging or narrative, serving as a rare, authentic record of a true masochistic slave●. Content includes: nose ring, clitoral, labial, and nipple piercings, labia padlock, whipping and caning on buttocks, public urination, anal stretching, triple anal plug use (7cm, 7.5cm, anal pig balls to XXL size), anal fisting, anal rose, and split tongue (slideshow only).