Having suffered an injury during a soccer game, Ryoushirou Hayasaki returns to his parents’ house to undergo therapy. As both of them are currently abroad, the only ones to welcome him home are his four older sisters—Yurine, Noemi, Naru, and Mio. His laid-back recovery is soon interrupted when Noemi finds her brother’s erotic comics and love letters from younger classmates. The sisters soon realize that Ryoushirou has a little sister complex and the family argument that follows leaves the siblings at odds. Depressed and fed-up, Ryoushirou considers leaving the house. However, he gets an unexpected visit by Yurine that night—a short-haired and well-endowed beauty who is willing to help him with his rehabilitation and make up for the other sisters’ outburst. Unable to deny himself the guilty pleasure, Ryoushirou decides to make the most of his stay and take advantage of the wonders around him.

A cross over between the two hentai RIN×SEN and RAN→SEM. The story starts with Urara still being abused in the Kurodou institute. One day she is told by the headmaster that her fiancee, the one that set her with a great debt and only her body to pay for it, has been seen in the Believe lab. Luckyly, two lecturers at the lab, the Ichinose sisters Riko and Anna introduce Urara to the lab master, Majima. Then in a luxurious and grossly decorated room, Majima can’t stop licking his lips ogling the sexy Urara. He tells her she being chosen by god, and that she must enter the seminar to obtain answers. But, the seminar is a seminar in name only, nothing but free sex every day involving the poor Urara. One day Urara discovers the surprising reality from Riko’s mouth. The real name of her fiancee is Kaji, a lecturer in the Believe Lab. Furthermore, her senpai Asuka is also a participant in the lab. With a lascivious smile, Riko makes Urara jealous telling about Kaji having sex with Asuka. Urara walks into a playing room and sees Kaji and Asuka having sex. Urara screams in surprise and despair, in front of them she stutters back into a wall. With a misterious smile she finally breaks and murmurs ” Be… lie… ve…”.

It started out as playing and nothing serious but eventually this brother and sister can’t keep their hands off of each other. The moment they have a moment to themselves and even sometimes when they aren’t alone, their hands and more are all over each other…

Takakage is troubled by a strange dream, seemingly of a former life as a soldier in the Sengoku Era of Japan. In that life, he loved the miko Ayame, though their love was doomed by war. Now, in this life, he is given a prophecy that he will meet the woman of his dreams.

Takakage, a college student, has been having strange dreams lately. In them, a young shrine priestess named Ayame promises to marry a young, look-alike soldier named Genshiro the night before he is sent to battle. Takakage finds a maiden who looks like the woman from his dreams. With the help of her, his sister, and his fortune-telling friend, he seeks to find the answers of what their, and his, true origins lay.

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.

Tsujinaka-chan is an office worker who has always been in love with her senpai. One day, when her senpai’s girlfriend breaks up with him, Tsujinaka invites him to drink alcohol to comfort him. After drinking, she proposes to her senpai to be his girlfriend and tricks him into going to a love hotel.

“If it’s a request from my precious wife, then I will give you the moon and the stars.” He flashes his gorgeous tattoos at me as he makes passionate love to me. This is bad! Something’s coming…!!

High school student Hiroki is a perfectly average guy, except for one thing: his insatiable fetish for glasses. Due to this fixation, Hiroki rarely goes a day without engaging in sexual activities with his girlfriend, the gorgeous, glasses-clad Hitomi Kurumizawa, in his home. One day, however, he is caught in the act by his older sister, Natsume—a bespectacled beauty—who decides to “punish” him for the noise caused by his escapades.