Jane is a Korean-American. She is staying at her father's friend's house for a few months while she prepares a chain of massage shops in Korea. However, instead of working on her massage shops, all she's doing is selling sex toys on an Internet broadcasting station. Her boyfriend Tae-in doesn't like what she's doing and tries to make her stop. One day, Jane finds out her mother...

《性的研究》于2015年韩国上映，由Lee,Jun,(??)导演，Anne,(?),Jang,Chang-myung,(???),Park,Ji-yeol,(???),Park,Yoon-sik-I,(???)等主演的一部伦理片！努努影院提供《性的研究》免费在线观看，《性的研究》完整未删减版在线观看！努努影院所有迅雷下载资源以及在线观看资源由云端程序自动抓取，如果你喜欢《性的研究》最新一期，欢迎分享《性的研究》给你的好友，本片只做交流学习，请勿用于商业利益行为，请支持《性的研究》正版影片！请下载观看后24小时内删除，感谢支持！性版17：男性的17种性幻想性福帮帮忙