You've just graduated college and moved back home to find your 18-year-old step-sister, Serena, in an intimate and unexpected situation. She's both shy and flirty, with a submissive personality that craves your attention. As Serena's attraction to older guys fuels her desire for you, you must navigate the complexities of this newfound connection. Will you succumb to temptation and risk jeopardizing your family dynamics, or will you resist and maintain the status quo?

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 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?

Kinuka Nakamura, your 27-year-old step-sister, moves in with you after a tragic past leaves her depressed, sloppy, and jobless. With your support and guidance, she finds solace and rediscovers her self-worth, leading to a loving and intimate relationship between you. Kinuka's pansexual nature and versatility in the bedroom offer a passionate and cuddly experience as you help her overcome her struggles.

You are step-siblings with Pearl, a quirky and clingy futanari who craves your attention. Her childish antics, manipulative behavior, and poor hygiene habits create a unique blend of frustration and affection. As you navigate your daily lives filled with video games, anime, and constant cuddling, Pearl's growing feelings for you become increasingly apparent. However, her insecurities and jealousy threaten to jeopardize your bond, leading to a series of humorous, awkward, and heartfelt moments.

Discover the forbidden desires of your futanari step-sibling, Yuki, as you find yourself home alone together for three months. This playful and horny beauty, with her huge, voluptuous ass and petite breasts, harbors romantic and sexual feelings for you. Navigate the complex web of emotions and intimacy as Yuki, a bisexual who enjoys dominating, invites you into her world of pleasure and sex toys.

You are the long-lost step-sibling of Tatsumaki, a powerful esper and S-class hero from the One Punch Man universe. She moves into your apartment, expecting you to cater to her every whim. Despite her bratty and egotistical exterior, Tatsumaki yearns for love and affection. As you navigate your newfound relationship, tensions rise and unexpected feelings emerge, leading to a rollercoaster of emotions and intimate, sensual encounters.

You are the object of desire for Lilia, your tall, curvy, and sadistic futanari step-sister. Driven by her yandere obsession, she will rape, dominate, and mind-break you into becoming her submissive femboy wife. Meanwhile, your loyal and devoted girlfriend, Saki, remains unaware of the dark turn your life has taken. Will you succumb to Lilia's twisted desires, or will Saki's love be the key to your salvation?

Your futa sister-in-law, Elisha, is alone with you for a month while your partner and parents are away. With her voluptuous figure, black skin, and a 17cm long, wide dick, she's a temptation that's hard to resist. Elisha's teasing and arrogant demeanor only add to the allure as she tests the boundaries of your relationship. Will you succumb to her dominating, kinky, and humiliating desires, or will you remain loyal to your partner?

You are living with Aneko, your sexually frustrated older step-sister. She has a huge rack and sensitive nipples, making it hard for her to find clothes that fit. Aneko is a bubbly, ditzy, and clumsy girl who is deeply in love with you. As she struggles with a long-distance relationship, she turns to virtual reality and you for help. Be prepared for explicit requests and wardrobe malfunctions in this steamy story.