HeavenEro

Alias: 氷堂伊吹 ~完璧伊吹会長が拘束ドMな理由~
Type: OVA
Episodes: Unknown
Status: Complete
Producers: PoRO
Source: Game
Genres: Erotica
Duration: 30 min.
Rating: 4,5

Credit:Meongs
Synopsis:
Based on the erotic game by Grand Cru Noir.

Alias: 姉☆孕みっくす
Type: OVA
Episodes: 4
Status: Complete
Producers: Pixy
Genres: Hentai
Duration: 30 min. per episode
Rate:4,5
Synopsis:
Since the early death of his parents, Takami Akitoshi has lived alone with his beautiful elder sister, Hitomi, while concealing his dirty desires for her. One day, a mysterious girl named Mina enters his room. She introduces herself as Death and explains that 

Type: OVA
Episodes: 2
Status: Finished Airing
Aired: Apr 25, 2008 to Aug 25, 2008
Producers: Milky Animation Label
Genres: Demons, Fantasy, Erotica
Duration: 30 min. per ep.
Rating: Rx – Hentai

The demon hunters are back! Mikoto, Sui, and Takeru are sent to investigate a mysterious island where people have been disappearing repeatedly and dark yoma are rumored to be the cause.

Type: OVA
Episodes: Unknown
Status: Currently Airing
Aired: May 29, 2015 to ?
Season: Spring 2015 to ?
Producers: Suzuki Mirano
Genres: Erotic
Duration: 30 min.
Rating: Rx – Hentai

The bastard son of a rich aristocrat is hellbent on seeking revenge ever since his father abandoned him and his mother. He decides to teach his father a lesson by destroying what he treasures the most, his two daughters. He infiltrates their prestigious school with a magical time-freezing device he received from a witch – and proceeds to repeatedly rape his half-sisters, leaving them confused, helpless and begging for mercy.