Type: OVA Episodes: 2 Status: Finished Airing Aired: Jan 10, 2003 to Apr 11, 2003 Producers: Y.O.U.C Genres: Dementia, Fantasy, Hentai, Horror Duration: 30 min. per episode Rating: Rx - Hentai A horrible murder has been committed on the grounds of Nankai Academy. Professor Yuko, one of the school's most popular teachers, died when she was pushed off of the roof of one of the school's buildings. Her death has left her students with feelings of confusion, pain, and above all else... anger. Four of her male students, Masayoshi, Daisuke, Mitsuru and Shinya, are determined to uncover the truth. They soon discover an important clue: Professor Yuko's planner had been marked on the very night she was killed... marked with the names of seven girls. [](http://picexposed.com/exmeas7t39h0/p.i._perverse_investigations_hd_01.mkv_thumbs__2014.08.11_15.53.00_.jpg.html) [](http://damimage.com/img-53e8cb149fc10.html) [](http://picexposed.com/axddaokl5bl0/p.i._perverse_investigations_hd_02.jpg.html) [](http://img.yt/img-53f499b32c72e.html)