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.
Source: Hentai Haven

Based on the game by Lune.
This is the sequel to Ride of the Valkyries 2.
Imprisoned deep within Duke’s castle are three of the revered goddesses known as Valkyries. Their names are Reia, Ariya, and Hildegard. After being captured by the demon king’s army, they have been assaulted unceasingly. Their wills and sanity broken, they are now slaves to physical pleasure.

Based on the erotic manga by Momi.
Renyuu tales is a compilation of tales where the protagonist gets fucked for failing to conduct club activities responsibly or for random shit like falling off a ladder. But hey, as long as fucking is involved, let’s not question it.

NOTE: This is a 3 part series with the same opening scene, the ending scene features different costumes and action.
Maid Chapter
Milky-chan is tasked with caring for her shut-in male friend while his mother is out of town. Feeling she’s the only one who really understands him anyway, she accepts the job happily. When he won’t come down for lunch, though, she goes up to his room and catches him masturbating to some hentai. Then she finds a book about having sex with women, so she volunteers herself so he can learn and experience the real thing – but it’s not complete until she puts on a costume!

Everyone views the student council president as the perfect girl, but what they don’t know is that her favorite thing is fellatio with her younger brother. With their parents always traveling they fulfill this desire quite often and in various ways.

Our sexy Android, Pinky, is a super spy robot which processes data a hundred times faster than any humans capability, and has much more intellect. As she was being shipped by the Japanese military, she was accidentally activated without a normal operating circuit. She was unaware of what happened, until she met a man named Kenichi. In a unique way, Kenichi reprograms her to operate in sex mode. She is now his sex slave.

Based on the erotic game by Hibiki Works.

Mizuho stays after school to teach some students some equations, but that is not all there is to it. She also invites her boyfriend, Tomohisa, for some excitement. While giving those students the lesson, she is also giving Tomohisa a handjob; she even goes as far as to giving him a blowjob right then and there.
After all that hot action going on, Mizuho invites Tomohisa to her house to continue their good time together…