Is it legal to put quotes of real people in your novel?

Feng Ruqing was a spoiled princess with a hideous countenance in Liu Yun Kingdom. She used to ride roughshod over anyone who stood in her way, backed by her father the emperor who loved her with all his heart. Not only did she force the chancellor's son to marry her by breaking the existing loving couple up, but her mother-in-law had also passed out from rage because of her. In the end, she took her own life after the heartbreak and humiliation of being dumped. When she opened her eyes again, she was no longer the bratty princess who was a good-for-nothing. * * * Rumor has it that spirit beasts have become servants in princess’ manor and the princess is devouring precious spirit herb dishes every day. Rumor has it that the chancellor’s son who pleaded for reconciliation after divorcing the princess was thrown out of the princess’s manor. Rumor has it that some good-looking young masters went to the princess’s manor in hope of being her servants were nearly killed by the state preceptor. Rumor has it that the charming state preceptor was looking for the princess eagerly as he wanted to hold her responsible for sleeping with him.

Five years ago, Qiao Nian was schemed against by her sister, Qiao Xin. After spending a night with a stranger, Qiao Nian got pregnant. She did not know who the father of the child was, and eventually gave birth to a stillborn. Under the machinations of her mother and sister, Qiao Nian was stripped off of her shares in Qiao Group and sent to a mental hospital. Five years later, her younger sister, Qiao Xin, was going to be married off to the Second Young Master of the Gu family. He was rumored to be extremely ugly. On the day he was born, the doctor predicted that he would not live past twenty years old. Her mother could not bear to see Qiao Xin marry such a person and thought of Qiao Nian, who was still locked in the mental hospital. Overnight, Qiao Nian was taken out of the hospital to replace Qiao Xin in her marriage into the Gu family. Her mother said, "It's a good thing that Qiao Nian, this good-for-nothing, can replace Xin'er to be a living widow in the Gu family. If Xin'er were to marry into that family, I would be heartbroken." Qiao Xin said, "Mom, don't say that about Sister. If it weren't for her, I wouldn't know what to do. I'm just worried that Sister wouldn't agree." Her father said, "Xin'er, you're too kind. Have you forgotten how Qiao Nian slandered you five years ago? She has no self-restraint. She got pregnant before marriage and even gave birth to a stillborn child. We're treating her well enough by letting her marry someone from the prestigious Gu family! What right does she have to be picky?" Qiao Nian sneered. Back then, the scheme against her had only succeeded due to a freak combination of factors, causing her to suffer. She was going to get back at all of them! Everyone thought that her actions were borne from a combination of a loser's mentality and mental illness, but little did they know that this marriage would be a strong union as impactful as Mars crashing into Earth! Taking advantage of her brilliant skills in medicine, Qian Nian made various trashy people and scumbags eat their words. In the blink of an eye, her multiple identities shocked the world as each of them got exposed. It turned out that she was rich enough to rival a country! Later on, Second Young Master Gu placed a pair of Qiao Nian's miniature clones in front of her. Faced with these two children who resembled her and Gu Zhou, Qiao Nian blinked in shock. "When did I give birth to your children?"

Savannah was an adorable college student. To revenge her ex-boyfriend, Savannah was boldly intended to kiss a "handsome enough" man and take a video to piss her ex off. However, she chose Callan, the most eligible bachelor in the world. Out of Savannah's prediction, she was teased that she had no idea what a real kiss was. Then the man even taught her in person. In a great panic, Savannah ran away. Savannah left a deep impression on Callan. However, he never thought he would meet Savannah so soon, especially, at the... male toilet!

Tang Hao was an honest man making an honest living, but despite all his honesty and kindness, life often looked the other way. Even when he stood up for a man in the streets, he ended up being beaten to a pulp and the man he stood up for? He disappeared. That left Tang Hao with nothing to prove and a hefty medical bill blowing through his savings. However, while he lay unconscious in the hospital, he could feel a warmth coming from the jade pendent he wore as it began to feed him with a trove of priceless information. Now discharged, and still armed with the same naivety and honesty, what will our village peasant do with this newfound power? Will he go on to conquer the hearts of a hundred women? Will he defeat the mightiest crime lords? Only time will tell, but for now, fate has many whimsical plans for Tang Hao.

Lucille was one of the most skilled female assassins, and on the previous night, she embarked on a top-secret mission. However, the mission's details were leaked, leading to her untimely demise at the hands of a traitorous companion. She never discovered the identity of the person who betrayed her before her death. But by some miracle, she was granted a new life, and was reborn as a girl with the same name. Determined to uncover the truth and seek revenge for her family, Lucille seized her second chance at life. She planned to avenge her loved ones. However, her plans were complicated by Joseph, an apparently frail man who was actually skilled in martial arts. And he seemed to fall for her deeply, now this newfound knowledge only added to the complications of Lucille's revenge plan...

Tan Rou only learned that she wasn’t the Tan family’s daughter when she was seventeen years old. She went from being a rich young lady to living in the slums. The parents she adored belonged to someone else, and this series of knockdowns was hard for a seventeen-year-old girl to accept. She wailed like a child for the sake of proving this was all a lie. The vicious words she spouted had hurt her biological family but she didn’t notice. She thought the Tan family was her real family despite them seeing her as an eyesore, and was even naive enough to want to befriend the Tan family’s real daughter, Tan Jing. Alas, the latter drugged her drink and arrange for a thug to rape her. Tan Jing even brought their classmates along to catch them in the act so Tan Rou was now tainted for life. After being reborn, she looked down at the man she was stepping on. Tan Rou swore not to be a useless wretch in this life or be bullied to death. She would stomp on those who wronged her and make it up to her real family. They wouldn’t have had to die tragically on the streets in the past life had it not been for her. Tan Rou turned completely evil after crawling back out of Hell. Everyone claimed that the real young lady was educated and talented, while the fake young lady was arrogant and incompetent. Tan Rou scoffed upon hearing this. She held back her brother from trying to stand up for her. “We have all the time in the world. Let’s just wait and see.” Just as everyone was waiting for Tan Rou to make a fool of herself… A top-class perfumer, a top scholar, a world champion… The fake young lady’s multiple identities kept getting exposed one after another, bumping her up to number one on the trending search, shocking the world. Wait, where was the promised humiliation?