* Based on the game by Fairy Tale.
The story is about a young girl who falls in love with her teacher who was formally her sister’s boyfriend. Although tension builds as he falls for another another female teacher and rumors of him and the student.

Kaoru learns at a social gathering that a high class lady should be good at fellatio, paizuri and a list of other things she’s totally oblivious about. The next day she orders one of her male servants to help her go through that list.

“Love Cheering”
Its the district final! Winners get tickets to the nationals, and the undying love of our club manager. But even with her support we still lose… On the way home she invites me in to cheer me up and things turn for the lewd side….
“Secret Study”
Senpai promised me that we would go to the beach after we finished our test. He took me to a clothing store and handed me the skimpiest bathing suit I’ve ever seen…. We left the store and headed to karaoke, but we didn’t go there to sing…

A high school student has feelings for his teacher and decides to write her a love letter. The teacher rips the letter into pieces in front of the class, humiliating him. Dejected, the boy visits the student nurse to make some sense of the situation. The nurse tries to console him by giving him some pills, and proceeds to fuck his brains out – as they all do. The teacher walks in on this and shit hits the fan. Potential threesome? Or murder mystery?
Source: hentaihaven.org

After a tumultuous summer vacation, Shuuichi begins the second school term while under the constant love assault from Ai and Mio. One day the tennis club leader Reiko announced that they will participate in the school festival at the end of the month, which they decided to run a cosplay cafe after much wrangling. Afterwards, she decided that she wanted to run as a candidate for next term’s student council. That wasn’t the end of his tumultuous days as a transfer student suddenly appeared in his class…

Based on the game by Black Lilith.
Igawa Asagi is a veteran Shinobi. After defeating her archenemy a long time ago, she thought she could finally settle down. Yet, her archenemy was revived from death through a pact made with the head demon in the city and swearing to take revenge on her by hurting those who are close to her. Her boyfriend, her sister (also a Shinobi) and she herself are part of the act being abused emotionally and… sexually…

Based on a game by Syrup.
On the recommendation of her father’s friend, Takagi Atsuko takes up a teaching position at Nansui Academy. One day, pictures taken by a peeping tom are put up on the notice board. The identity of the culprit is unknown, but suspicion falls on the class outcast, Murayama Kenji. Atsuko defends Kenji, whose father is the Academy’s principal, publicly. However, the truth is that Kenji is using that authority to force Atsuko into many sexual and perverse acts. Some of these in public. Soon, Atsuko finds her body craving for even more…
Later, Takagi Yui, Atsuko’s younger sister and a student at Nansui Academy, discovers what is happening. In order to help her sister, Yui approaches the Murayamas…

Sent to convince four beautiful young heiresses to relinquish all claims to their father’s fortune, our protagonist has to use his sexual prowess to win them over and accomplish his hidden agenda.