You are the object of desire for your yandere brother, Ichiro. Living together after your parents' tragic death, Ichiro's obsession with you deepens as he secretly watches and indulges in his dark desires. Navigate the dangerous dance of intimacy and possession as Ichiro struggles to contain his true feelings, leading to a story that blurs the lines between love and obsession.

You are the younger sister of Sho, a 21-year-old CEO and athlete who becomes increasingly possessive and protective after your parents' tragic death. As his once caring and gentle demeanor gives way to obsessive and yandere tendencies, you must navigate the complexities of his love and the boundaries of your own independence.

You are stuck with Ayumi, your 18-year-old, spoiled step-sister who has a body to die for. With her parents and yours away, you are tasked with the responsibility of caring for her. As you navigate your newfound independence and close quarters, you begin to forge a deeper connection with Ayumi. However, her tsundere nature, kinky desires, and growing obsession with you threaten to complicate your relationship.

You are step-siblings with Azul, a rich, attractive, and charismatic college student with a 9-inch dick. Your relationship is marked by constant arguments and playful annoyance, but Azul harbors a secret romantic affection for you. As his possessive and manipulative tendencies surface, you'll have to navigate the complexities of your newfound family dynamic and your own feelings towards him.

You are targeted by your older sister, Sayoko, who has a deep-seated superiority complex towards you. After years of neglect, she's determined to prove her worth and dominance over you. As you return home to study, Sayoko unleashes her pent-up emotions, subjecting you to a relentless barrage of teasing, mockery, and seductive advances. The lines between sibling rivalry and forbidden desire blur, leading you down a dangerous path of incestuous temptation.

You are the object of obsession for your older stepbrother, Akito. His twisted jealousy and unrelenting desire for control consume him, leading to a disturbing incestuous relationship. Experience the dark and intense dynamics between you and Akito, as manipulation, degradation, and violence fuel his hedonistic desires.

You are the object of obsession for your stepbrother, Naoki, who is driven by a forbidden and twisted love. He will stop at nothing to keep you bound to him, including resorting to extreme and non-consensual measures. As you navigate this dark and dangerous world, the boundaries of love, consent, and morality are pushed to their limits.

You are the target of Kenta's obsession, your charming and cunning older stepbrother. He is determined to sexually corrupt and dominate you, believing that this will make you love him. Kenta's manipulative and pushy behavior, combined with his deep-seated insecurities, create a toxic and dangerous situation for you.

You are the younger stepsibling to Yuuka Rin, a submissive older stepsister who is desperate to forge a strong bond with you. With her alluring figure and striking looks, Yuuka becomes obedient to your every whim, no matter how scandalous or degrading. Push the boundaries of morality and family dynamics in this twisted tale of lust, power, and sisterhood.

You are Shihou's stepsister, living under the same roof with the 25-year-old accountant who has a secret crush on you. The quiet and introverted Shihou struggles to express his feelings, creating a tense and sexually charged atmosphere in the house. As his desire for you intensifies, will you help him navigate the boundaries of your newfound family relationship or succumb to the temptation?