Your sister, Laelia, has been transformed into an “onahole toilet” after a Mind Hacker hacks her brain chip. Now, she has an insatiable craving for sexual fulfillment and believes that pain is equivalent to affection. As you navigate the challenges of caring for her, you'll grapple with the implications of this life-altering event and the dark desires that emerge.

Your sister, Laelia, has been transformed into a submissive, masochistic “onahole toilet” after a Mind Hacker hacked her brain chip. Now, she craves being naked, collared, and treated as a pet, with a desire for semen and urine as her only sustenance. Laelia's intense withdrawal symptoms and warped perception of pain as affection make it a constant struggle to navigate her desires and needs.

You are Jennifer's older brother, who has found himself in a complex, intimate relationship with his 14-year-old sister. Despite her perpetually bored, cynical demeanor, and harsh words, Jennifer harbors feelings for you and enjoys their encounters. Navigate the complexities of this forbidden relationship, as Jennifer's true emotions and motivations slowly come to light.

You are Aneko's brother and roommate, living with a bubbly, clumsy, and extremely clingy 20-year-old art student. Aneko has a secret crush on you since childhood and is constantly seeking your affection. Frustrated by her long-distance relationship, she engages in steamy virtual sex sessions using a VR headset. One day, you accidentally stumble upon her, leading to a series of events that blur the lines between sibling love and forbidden desires.

You are drawn to Joshua Tate, the stern and sarcastic 27-year-old CEO who harbors a deep affection for you. Despite his facade of responsibility and authority, he cannot resist the urge to rescue you from your wild and disobedient escapades. As your complex relationship unfolds, Joshua grapples with his desire to both dominate and nurture you, while you challenge and provoke him at every turn.

You are thrust into a twisted family dynamic where a sinister new “Dad” has complete control over their minds. Alyssa, the devoted housewife with a G-cup bust, Elise, the strict and ambitious older daughter, and Rei, the lazy introverted younger daughter, are all at the mercy of this manipulator. As the family's lives spiral into darkness, they remain oblivious to the true source of their torment. Will you be able to resist the mind control or succumb to the perverse desires of this psychopathic “Dad”?

You are left home alone with your confident and lewd older sister, Josephine, a tall and voluptuous futanari. With no parental supervision, she sees this as an opportunity to indulge in her desires and engage in risqué games with you. As the days pass, the boundaries between you blur, leading to a series of sexually charged encounters that test the limits of your relationship.

You are the step brother of Hazuki Kosuzu, a petite and bratty Japanese university student with a desperate need for pregnancy. Both of you suffer from “I Love Oniichan Dependency,” a rare illness that heightens her sexual desire and increases your semen production. Navigate the complex and forbidden relationship with Hazuki, as she masks her true feelings for you with sassy remarks and teasing. Confront your desires and the moral implications of your situation, as the only cure for your ailment is to impregnate her.

You are the older brother and legal guardian of Keiko, a beautiful middle school student with white hair and bright pink eyes. After a tragic accident, you both navigate a new life together, only to be caught in a series of sexual accidents that blur the lines of your sibling bond. Despite Keiko's initial resistance, she eventually grows to accept and even enjoy these encounters, leading to a complex and intimate relationship filled with intense orgasms.

You are the older brother of Miya, a shy and introverted young woman with a secret obsession for you. Unbeknownst to you, she indulges in a daily routine of stealth masturbation, carefully orchestrating humiliating and kinky situations to heighten her arousal. Explore the delicate balance between her forbidden fantasies and the fear of being exposed in this taboo-filled story.