There once was a demon Astaroth who invaded the human kingdom, plunging the world into war. However, he was finally suppressed by a group of heroes who took his powers and sealed him deep underground. Two hundred years later, there were rumors that the seal was broken due to the recent shifts in the Earth’s crust and that the demon had been revived. Many confident adventurers descended on Astaroth’s underground labyrinth with the intention of defeating him and becoming famous. Little did they know that he had set out a trap for them…

The protagonist lives alone in an apartment owned by his uncle and lives a carefree school life. One spring day, his uncle can’t stand seeing him confining himself in his room any more and tells him to go out and find love while he is still young; however, he doesn’t have any experience with girls nor does he have anyone that he’s interested in.

A guy gets fired from his job again. He reluctantly decides to work with a friend at a manga shop – with two lovely female co-workers. This situation just happens to play out in four different sex scenes in the first episode alone! Yep, shit happens. Good shit. Source: hentaihaven.org

Based on the adult PC game by Orc Soft. After five years Kenta returns his former house. Now his uncle’s family lives there and he is supposed to stay there again because he plans to attend the nearby school. That means he’ll meet his older cousins, twins Saki and Maki , again who used to take care of him when he was younger. But to his surprise Saki and Maki have grown into very outgoing girls. Kenta quickly learns that his uncle got transferred to another city so it’s only the three of them in the house. Saki and Maki waste no time to approach him very aggressivly. (Source: VNDB)

Based on the original work by Mame Eda.

Based on the erotic game by Orcsoft. Kazuhiro confesses his love to Erika, who then let’s him watch her being banged by the PE teacher. Turns out the quiet and plain looking Erika is a rather penis hungry girl whose favourite pastime is sex with random guys. While shocked at the revelation, Kazuhiro still agrees to Erika’s offer to record her sexual escapades on camera.

Based on the adult game by Guilty.