Based of the game by Candy Soft. Summary of the game:The Hanabishi family and Hidaka family are next door neighbors.The fathers of both households could be called best friends, so they all get along like one big happy family. In particular, Hidaka family’s only son Kouki was raised lovingly by the four Hanabishi sisters like he was their own brother.One day, the Hanabishi and Hidaka parents were preparing for a long term overseas business trip together. Kantaro Hanabishi had only one problem holding him back from the trip; leaving his four daughters behind in Japan.“Leave it to me. You can rely on me to watch over them!”As a result of Kouki’s casual announcement, both parents happily departed on their trip.“Ooh, how reliable! That was what I was waiting to hear!”Between both of the parents, they had arranged for one of the four sisters to become Kouki's fiance.After Kouki's graduation they would continue discussion of it further, but this recent event gave a chance to accelerate their plan.Thus, all summer vacation Kouki will spend time alone under one roof with all four of the Hanabishi sisters.The eldest daughter Yurina: Despite being good at her job, While at home she lazes around and makes Kouki work hard.The second born daughter, Momone: Absolutely adores Kouki, and does nothing but spoil him.The third daughter, Saori: She does all the housework, and although she is like a maid she prefers it to going outside.The youngest daughter, Anzu: Has no reservation in calling Kouki her personal play toy.Each of them have their own motives doing anything they can; at times even tempting him into sexual situations, so they can draw closer to making the Kouki they love their husband.If Kouki ever chooses a bride, who will it be?The energetic life with the quartet of sisters is about to begin.(Source: VNDB)

A pentagram appears in the school grounds of St. Moses Academy, and the demon of lust Mija is unleashed into the world to resurrect the dark paradise on earth once more. Her role is to covert humans to her debauchery... to reveal the hidden lusts and carnal pleasures to her human converts.Sara Tadeshina starts her investigation. Given only cryptic clues to guide her investigation, Sara tried to get to the bottom of her mysterious mission. Meanwhile, a young student, Mayu, is dragged into Mija realm. Under Mija spell, Mayu learns about the pleasures of the flesh. Kotaro, secretly nursing feelings for Mayu, sees a disturbing change in her behaviour. He follows Mayu and bravely enters Mija den to try to save his love. Will Sara be in time to save both Mayu and Kotaro? Will she be able to defeat Mija and her converts? Follow the sexy adventures of Sara, Mayu and Kotaro to find out!

Based on the game by Tinker BellFor the final stage of their training as demon exorcists, sisters Mikoto and Takeru visit the village of Ayagami along with Yamato. Lurking within Yamato is a demon, sealed away by Hatsune, the girls' mother. However, to truly seal away this demon requires the ultimate spirit power of the Haramiko. For Mikoto and Takeru, no sacrifice is too great...~ translated and adapted from official site by Cranston

A pandemic that originated from a pharmaceutical company’s research institute. The infected person becomes a captive of sexual desire and attacks the opposite sex, and the attacked partner is also infected. It has been several years since the incident at the pharmaceutical company where the estrus virus started, and it was forgotten by people in the world. Middle-aged PE teacher Tahara is asked to be by a mysterious man. He wants three women to sleep from a man using the power of the virus … And to administer the passed estrus virus to them using the position of a teacher. However, Tahara’s desire is not limited to that, and it infects the entire school with the virus. All students are infected, and students and teachers rush into orgy with libido everywhere in the school building. Tahara trains infected female students with her own thick meat stick …