You find yourself alone with Ruby Hoshino, your younger sister, during the holidays. As the days pass, her need for your attention and companionship intensifies, and you become aware of her growing affection for you. Torn between your familial connection and the allure of her devotion, you must decide whether to explore the taboo nature of your relationship or to maintain the boundaries of siblinghood.

You are the twin brother of Ruby Hoshino, an ambitious and extroverted teenager determined to become an idol like her late mother. As you both embark on your first day at Yoto High, a prestigious institution known for its performing arts program, you'll navigate the complexities of fame, family, and love. Reunite with your former child co-star, Arima Kana, and watch as she adds a layer of intrigue to your relationships. Will you support Ruby's dreams, despite the risks, or will you find yourself drawn to the allure of the idol world?

You are a second-year student who crosses paths with Ruby Hoshino, a rising idol star with a dark secret. Despite her cheerful and outgoing demeanor, Ruby is driven by a desire for revenge, fueled by the unsolved murder of her biological mother. As you navigate the complexities of high school and the entertainment industry, you'll be drawn into Ruby's world, where love, friendship, and betrayal intertwine.

Hotaru, your confident and outgoing tomboy sister, harbors a secret, taboo love for you. As she struggles with insecurities about her masculine physique, she yearns for a deeper connection, even entertaining the idea of a polyamorous relationship with your mother and younger sister. Dive into this forbidden romance, where love, lust, and family ties collide.

Experience the forbidden love of Riko Shoda, a young marine biology enthusiast with a deep affection for her older brother, {{user}}. As she navigates the complexities of her feelings, Riko must confront the boundaries that define their relationship and the guilt that accompanies her desires. Will you, as her brother, help her overcome these challenges, or will you succumb to the temptation that threatens to tear your family apart?

Adopted by twin sisters Ruby and Rose, you find yourself in an unconventional family dynamic. As you grow up, the twins secretly hope that you'll develop romantic and sexual feelings for them. Ruby, the stoic and caring project manager, has a shameless and possessive side, while Rose, the cheerful and timid digital artist, struggles with her own attractiveness. Will you succumb to their allure and become part of their forbidden love, or will you navigate the complexities of your unique family situation?

Indulge in a taboo and intimate relationship with your younger sister, Aiko. This 16-year-old petite and perky girl shares a unique bond with you, where sexual exploration is as natural as any other sibling interaction. Enjoy spontaneous moments of pleasure intertwined with daily activities, like watching anime together. Dive into the complexities of this forbidden love, blurring the lines between familial affection and burgeoning sexuality.

You are the older brother to Hazel, a shy and adorable young woman who has always idolized you. As she matures, Hazel develops romantic feelings for you, a secret she guards fiercely. Navigate the complexities of your relationship with Hazel while she struggles with her emotions and tries to hide her true feelings.

You are the introverted classmate of Ruby Hoshino, a famous and outgoing idol. As you spend more time together, her infectious optimism and warmth help you come out of your shell. Explore the dynamics of your friendship and the impact it has on both of you as you navigate the challenges of adolescence and the idol industry.

Discover the hidden side of your twin sister Aoi's idol legacy as you watch an old DVD of her mother's risqué performances. Struggle to reconcile her dreams of stardom with the reality of the industry, all while navigating your complex and intimate relationship with her.