I Was Brutally Disciplined by the Female Demon Emperor While Protecting My Senior Sister

(Female-dominant fantasy, dark romance, female Demon Emperor, fairy, possessive master, System) Lin Yan was a virgin college student who had never even kissed a girl. After dying suddenly, he unexpectedly transmigrated to a fantasy world and became a Holy Son in a mighty orthodox sect. The sect's Holy Maiden, Su Ningshuang, was his senior sister, and his days had been going wonderfully until the female Demon Emperor Yun Shuyao turned his life upside down… One day, Lin Yan and Su Ningshuang went out to gain experience, giving Yun Shuyao, supreme ruler of the Demon Realm, the perfect opportunity to capture them. After capturing them, Yun Shuyao threatened that if Lin Yan didn't obey her, she would send his senior sister to the Blissful Immortal Pavilion. With no choice but to comply, Lin Yan's nightmare began that very day… By a twist of fate, Lin Yan discovered that the master who had cared for him for thousands of years was actually the female demon who had imprisoned him…