Hikari is an ordinary school student. One day she meets Buccha the talking cat, who says that she’s Venus Pink, warrior of the goddess Aphrodite. Along with four other girls she has to fight with perverted Necros and four lords of Inma Empire, who want to revive the god of lust, Apollo, and turn the world into a sex pit.

Based on the adult game by Marine.
Kutaro works hard everyday at a TV station as an assistant director. However, his life changes when he agrees to take part in a new TV program with Aya — who is a famous TV presenter; but she constantly mocks him.
One day, Kutaro plots revenge by secretly adding his sperm into Aya’s coffee. She drinks it, not knowing, then after work she asked him: “What did you add to my coffee? It had a different taste.” He was embarrassed but admits it.
Surprisingly Aya responded with: “Today I felt great. I did not think such a coffee would help…”. Thus begins Kutaro’s life with a beautiful TV presenter.

Based on the doujin by Sankaku Apron (doujin circle of Sanbun Kyouden).
Separate stories about sons witnessing their mothers gradually being taken over by lust and pleasure.

Marina and Airi’s single mother has recently gotten married. Their new step-dad seems like he’ll make a loving father. Like a really, really loving father.

Based on the erotic manga by Akatsuki Myuuto.
After being informed of his mother’s demise, Kengo returns to the hometown he had left seven years ago. There, he is reunited with a number of young girls, his half-sisters by his father’s mistresses. These girls have never been allowed out of the house, and have developed a fear of the outside. Kengo confronts his father in order to free the girls, but he is still terrified of the man.

Before she got married, she was a playgirl who made love with numerous men. But she thought such a life was meaningless, and married an honest man. While she is spending a peaceful life, she happens to meet an ex-lover.
Source: AnimeNfo

On the night of a cresent moon, Houjyou Kika and Reibi Tsubaki are being violated by Lust Beasts in a demolished city. Suddenly, in front of the cum-filled girls, Charm and Grace appear. Charm says, “If you want to escape this suffering, take this wand,” handing a wand over to them. While worried by the difference in attitude compared to the previous time they met the two, Kika and Tsubaki reach towards the ominous wand. Once they take the wand, a Purification Realm spreads around them, and the two are transformed into Lust Beasts: Utea-Citrus and Utea-Chilly.

An average boy receives one day a special camera from a mysterious, massively-endowed girl in a bunny suit. This camera has the ability to make any girl photographed with it unbearably horny, deepening their erotic agony with each picture you take. And when the sexual tension finally boils over, the only way to quench these uniformed vixens’ thirst is by having them service you with their enormous breasts!