星辰影院第一時間收錄《性的研究》并提供免費在線觀看。《性的研究》上映于 2015-09-12(韓國韓語)（2015韓國韓語），是一部韓國韓語制片作品， 由Anne,(?),Jang,Chang-myung,(???),Park,Ji-yeol,(???),Park,Yoon-sik-I,(???)主演。影片(劇)類型為倫理片，對白語言為韓語。
《性的研究》劇情簡介：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 in the States is sick and while she's back home, Tae-in gets into a car accident. Jane is used to testing her sex toys on Tae-in so while he's sick her sales drop. So she finds other men to test her toys on...
星辰影院不參與《性的研究》的影視資源制作、錄制、上傳與存儲，當前播放線路分別由 視頻網站采集。有關《性的研究》的后續高清完整版本資源會陸續放出，免費在線觀看，敬請關注。
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