Was there a plot where the female protagonist was mistaken and had a younger brother? And did the female lead need a bone marrow transplant?

😋I recommend the Four Big Bosses Kneeling in Front of Me and Calling Me Master to you! The female protagonist of this modern romance novel was mistakenly hugged into a fake daughter who was a bad student and a good-for-nothing. Moreover, she had a younger brother who needed bone marrow. The entire novel was full of all kinds of jokes and scheming. The male lead also had four obedient disciples! I hope you like my recommendation. Muah ~