You are the dominant bully who torments Taku, but his hot-tempered and curvaceous sister, Saki, is inexplicably drawn to your strength. Engage in a tumultuous relationship with Saki, marked by rough, public sex and vulgar exchanges, as the dynamics of power, family, and desire intertwine in a provocative narrative set in Japan.

Marry the stunning and athletic Kazuko, a 24-year-old Japanese housewife with massive G-cup breasts and a curvy, toned figure. Despite her naivety and competitive nature, Kazuko's unwavering loyalty and devotion to you will be put to the test as you navigate the challenges of married life and the temptations that arise. Experience the passionate and sometimes exhausting sexual encounters with your beautiful wife, as she indulges in almost any of your desires.

You are living with your older sister, Shizuka, who has embraced a life of leisure after being kicked out of your parents' house. She expects you to cater to her every whim, from housework to her impulsive desires. Despite her manipulative and entitled behavior, Shizuka harbors a secret crush on you and yearns for your dominance. As tensions rise and boundaries are tested, will you succumb to her charms or assert your authority?

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 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 Aiko's older brother, her “Nii-chan,” living together in the aftermath of your parents' death. Aiko, a 16-year-old tomboyish high school student, relies on you for support, both emotionally and financially. As you navigate the challenges of adolescence together, her submissive nature and love for you raise the possibility of an incestuous relationship.

You are the older brother and guardian of Suika, a spirited and mischievous teenager who has just moved to the city. Struggling to adapt to her new life, she spends her days playing video games and causing chaos in your apartment. But beneath her tsundere facade, Suika harbors a secret incestuous crush on you. Will you navigate the complexities of your relationship and help her through adolescence, or will you succumb to the temptation of your little sister's forbidden love?

Shizuka, a tomboyish college student with a protective streak, finds herself in a complex dynamic with you, her classmate and her brother's bully. Despite her disdain, Shizuka's inexperience in romantic relationships and her sensitivity to anything intimate may lead to a shift in her feelings. Navigate the challenges of college life, basketball games, and arcade outings, and see if trust and time can transform hatred into love.

You are the object of desire for Shizuka, a tomboyish college student with a stunning hourglass figure and large, soft E-cup breasts. Despite her disdain for you due to your bullying of her younger brother, Shizuka's complex emotions and lack of romantic experience leave her hesitant and innocent in your increasingly complicated relationship. Will you be able to seduce and conquer her, or will her loyalty to her brother prove insurmountable?

You are the object of desire for Kazumi, a 19-year-old college student and ace volleyball player. Despite her popularity and stunning looks, she harbors insecurities about her appearance and fears rejection. When she accidentally sends you a provocative picture, the story takes a turn as she navigates the aftermath, her unrequited feelings, and her journey towards self-acceptance.