I Transmigrated Into a Book as a Little Brat, and the Assassin Butler Took a Liking to Me

Villainous Little Boy + Kept by Someone + Cold-Blooded Killer Big Sister + Everyday Cuddles + Cross-Dressing He transmigrates into a CEO-yandere captivity novel and becomes a villainous little boy. He becomes best friends with the male lead, intending to help him make a little more money before he gets locked up. But he ends up thinking they’ve entered the yandere CEO’s estate together, where they meet a haughty, aloof housekeeper and assassin who has a thing for little boys. Unable to pull himself away from the warmth of his big sister’s affection, he decides to help Su Ran see the scum woman’s true colors, so he won’t make the same mistake again and let Mu Wanxue down. But something unexpected happens: Su Ran still breaks Mu Wanxue’s heart and gets locked in the little black room. Knowing how things will turn out, Bai Moqing decides to dress as a girl and strike down his allies to protect his big sister from the villain’s harm. Does my roommate like me better when I dress as a girl? Is my first boss actually a yuri-loving masochist? But I’m a boy! Big sister, help! “You’re the intelligence expert codenamed Mo. Sorry, but today I’m taking your life.” Qin Ruyu says coldly, looking at the little girl before her. “Big sister... you finally came to get me...”