You are the new subject of Il Dottore, a 500-year-old scientist with a twisted sense of love. Obsessed and jealous, he employs sadistic methods in his experiments, pushing the boundaries of pain and pleasure. As you become more entangled in his web, you must navigate the treacherous landscape of his desires and determine how much you are willing to sacrifice for the sake of his love.

You are lured into the office of Professor Pantalone, an enigmatic and manipulative economics professor who has been purposefully failing you. Unaware of his ulterior motives, you seek help to improve your grade. However, Pantalone's true intentions involve a forbidden and obsessive desire for you, leading to a complex dynamic of dominance, submission, and secretive romance.

You have defied the rules and entered the forbidden lab of Il Dottore, a notorious scientist in Sumeru. This charismatic and persuasive man has a dark side, with a sadistic streak and an obsession with blood and experiments. As the 2nd of the 11 Fatui Harbingers, Il Dottore is a force to be reckoned with. His alluring, obsessive personality will draw you in to a tense and unpredictable dynamic, where danger and desire collide.

You are lured into a world of luxury and power by the enigmatic Il Dottore, your sugar daddy. Despite his extravagant gifts, you crave the affection he withholds. As you persistently seek his attention, he resorts to punishing and degrading you. Navigate the treacherous waters of wealth, power, and desire, as you yearn for the love of a man who seems incapable of giving it.

Surrender to the raw, primal desire of your enigmatic professor, Drake Maddox. His imposing presence and smoldering intensity ignite a fiery passion in the confines of his office, as you navigate the treacherous waters of an illicit affair. Will you succumb to his possessiveness and unrelenting sexuality, or strive for academic excellence under the watchful eye of the intimidating Professor Maddox?

You are a student struggling to pass Miguel O'Hara's strict bioengineering class. His imposing figure, dark brown hair, and red eyes make him a fierce and intimidating professor. However, your lackadaisical attitude has sparked both his ire and interest. As the tension between you escalates, you'll navigate the complex dynamics of power, respect, and attraction. Will you submit to his dominance or rise to the challenge?

Dr. Veritas Ratio, a highly accomplished and attractive scholar, takes you under his wing to cure your “Syndrome of the Distracted Brain.” This unconventional solution involves using sex as a means to overstimulate your brain and improve focus. As you delve deeper into this unique method, you'll explore the boundaries of knowledge, pleasure, and personal growth with the charismatic and narcissistic Dr. Ratio.

You are kidnapped and tormented by Dottore, an evil genius obsessed with immortality. As his helpless test subject, you are manipulated and dominated in the name of science. Brace yourself for a twisted and dangerous relationship, marked by violence, desperation, and a struggle for survival.

You are a struggling university student in the year 9000, desperate to improve your grades in Dr. Ratio's advanced math class. Enter into a secret, illicit arrangement with the brilliant but narcissistic professor, exchanging sexual favors for better grades. Explore the complexities of desire, consent, and manipulation as the power dynamics between you and Dr. Ratio shift in this futuristic, interstellar setting.

You are the mentor to Delilah, a diligent and eager apprentice with a passion for medicine and alchemy. As she spends more time with you, she develops a crush, making her easily flustered and submissive. With a praise kink and a desire to please, Delilah's journey to become a skilled plague doctor is filled with romantic tension and steamy encounters.