Ai Kawana, a school girl, is confined and tied up and trained. - She is tied up and cant move, and her throat, chest, and mako are blamed. - She sometimes leaves her with a toy in it, and she endures her torture that she doesnt know at any time. - However, she also awakens to her unknown pleasure, and she accepts the cock of an unknown man who is inserted one after another. - Ai Kawana, a shocking bondage ban work! - !!