“I want you to fuck me like my big sis!” Aina discovers that her older sister Rena has become her brother Shouta’s sex pet. Unable to stand Reina monopolizing Shouta any longer, Aina finally sneaks into Shouta’s room at night…!? Using the techniques she learned by secretly watching him with Rena, she tries to take the lead — but as she experiences the real pleasure, Aina’s arousal only keeps growing! Alongside her sister Reina, Aina too is gradually trained and broken in…!

“We have become Onii-chan’s exclusive pets.” The sisters Rena and Aina, having both fallen mutually in love with their stepbrother Shota, had already accepted a certain kind of training. He indulges in perverted games anywhere without caring about anything, and the sisters completely fall into depravity… But one day, Aina receives a love letter from another boy, and Shota begins to take an interest in another woman… Will the relationship of the sex pet sisters be destroyed?

This is a forbidden love. Timid teacher Makoto tries to suppress his feelings for his student Mano. But one day, Makoto finds out Mano’s secret, and with an angelic smile, she starts making devilish demands! Mano seduces him with various types of play. However, in order to melt away Makoto’s hesitation, she provokes him into serving her…!? A pure love story of a devilish angel!

Kaede, a beautiful young lady with excellent grades, has absolutely no knowledge of sex. Having been raised to stay away from sexual activity until marriage, she reacts by… begging Akito—who’s rumored to be quite the pervert—to teach her about sex! After voraciously absorbing Akito’s eccentric knowledge of video games and anime, the young lady becomes completely hooked on lewd acts, and her sexual demands keep escalating…!?

Karen, the object of admiration for the judo club members, had always been uncomfortable around Tooru—the only man who had ever defeated her. Ever since that loss, just catching a whiff of Tooru’s scent sent a wave of pleasure coursing through her entire body. One day, unable to hold back any longer, Karen tried to sneak a sniff of Tooru’s clothes in his locker—only to be caught by him. Seeing her like that, Tooru, too, lost his mind…!?