Tokubetsu Jugyou (Special Lesson) Private Sessions
Genre: Hentai
Type: OVA
Episodes: 2
Year: 2001 (11.05.2001 till 10.08.2001)
Companies: Digital Works, Y.O.U.C ()
URL: http://www.vanilla-jp.com/catalog/tokubetu/tokuju1.html

From Producers Shiyuuta Biwajima, Chikara Niki (DARK / LOVE DOLL / BONDAGE MANSION) with Art Direction by Eiji Utakata (SLAVE SISTERS / DARK / LOVE DOLL) comes a tale of dark desires that one college professor is about to unleash on a campus full of beautiful students!
Professor Saki used to be a normal woman...until her heart and mind were twisted by her sadistic boyfriend Mikami. Fired from his last teaching job for assaulting one of his students, he forces Saki into getting him a teaching position at her all-girl college. With beautiful buxom ladies everywhere, Mikami`s dark desires quickly target his new female students for some very special private sessions - and this time he plans on making Saki help him. Will Saki`s misguided love for Mikami drive her to help him trap innocent women in his demented little world?

DVD - Private Sessions ep:1-2 rus/jap sub:eng
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Genmukan ( 幻夢館 ) The Sin of Desire & Shame
Genre: Detective, Hentai, Mystery
Type: OVA
Episodes: 2
Year: 2003 (21.03.2003 till 22.05.2003)
Companies: Green Bunny, Studio Kyuuma (Studio Kyuuma / Green Bunny)
URL: http://www.green-bunny.com/new/genmu/1main.html

EP1:
Satoru Kido is your below-average detective. One day, he recieves a letter with a ticket. The job is a simple lost item case involving a ruby ring. He accepts the case and sets off for the mansion where a young mistress, an old butler, a beautiful teacher, a lovely maid, and an ugly manservant all await his arrival. He then sets out to search for the missing ruby ring, but a bizarre spectacle of desire and shame awaits him.

EP2:
It was supposed to be a simple lost item case, but it turns into a mysterious illusion filled with desire and shame. Satoru Kido calls in his assistant and discovers that the tutor and the mansevant are actually con-artists that are after the mansion`s fortune. Following his hunch, Kido asks the butler what is going on and finds out that the late Master and the current Mistress are not related by blood. It is only then that Kido realizes that his past intertwines with this mansion..

DVD - Genmukan ep:1 rus/jap/eng sub:eng
DVD - Genmukan ep:2 rus/jap/eng sub:eng