Season 1

Shouta is very affectionate towards his sisters Rena and Aina, they grew up as close siblings. Day by day, he becomes more affectionate towards Aina… and eventually he even sneaks into her room at night!? Rena tries to stop Shouta, but ends up receiving his affection in Aina’s place. Due to her hidden feelings for Shouta and the pleasure of experiencing things for the first time, the once innocent Rena is steadily being trained by Shouta…!?

“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!