In which fantasy novel did the main character's disciple fight the world on behalf of his master?

Luck wasn't on his side as when he was just few steps away from becoming the world champion in karate he was killed by his by his opponents scheme who was afraid to fight against him and wanted the cup. But he was once again given a chance to reborn as Kenichi Shirahama and become the strongest martial artist. (Read my other novel "From Hollywood to King of the world") I have reuploaded the chapters again as to the problem of Power stones that occurred in the previous one. Discord: https://discord.gg/uxYX3n7 https://www.Patreon.com/Shashank_bhatt

A 20-year-old genius medical student transmigrated to a book she read during an experiment and became a female supporting character named Mo Li. In the book, Mo Li was originally a kind and good girl. However, she was framed and slandered by the white lotus female protagonist. In the end, she was betrayed and abandoned by her family. Her personality changed drastically, and she ended up in a tragedy. After understanding her situation, she decided to fight back and change her fate. Although she was only a medical student, her medical skills in the real world were 50 years ahead of those in the book world. Hence, with her unparalleled medical skills and his ability to foresee the plot… The brothers in the family who hated Mo Li initially all held Mo Li in their hands and treated her like a treasure in their palms. They all turned into crazy demons who doted on their younger sister. The leader of the underworld said, "Whoever dares to bully my sister, I will break his legs." The business genius's second brother, "My sister has a bad temper. If anyone dares to make her angry, I'll let him spend the rest of his life in the slums." The third brother of an international superstar, "I'm not free this month. Don't look for me for any activities. I want to spend the summer vacation with my sister." And the original female protagonist in the book finally met her opponent. After Mo Li exposed her various evil deeds time and time again, she eventually suffered the consequences of her own actions and was abandoned by everyone.

Bell Cranel was rejected by every familia he tried to join until he met Hestia. In a few, he was rejected quite violently. And in one particular instance, he was thrown out and bashed his head against a wall. Well, that's apparently where I come in. Not sure how and why I'm here. Not even sure who 'I' really am at this point since Bell's memories are definitely clearer than 'mine'... But I guess we're doing this. Hopefully I've got some useful cheats. Maybe?

Fade was a legendary assassin that could kill just about anyone, as long as the price was right and the reason was just. One day as he was reminiscing about his life when he lost someone important, he fell asleep. When he woke up he was in a weird place, a different body, a different world.

When she awoke, she had somehow become the mother of the three villains in the novel, and a vicious supporting character at that! Her husband was so angry that he left overnight without even bothering to put on his shoes. The three little brats became as mischievious as monkeys! The aloof, arrogant system told her that if she wanted to return, she had to be a good person and instruct the villains properly. Just as she was rolling up her sleeves to teacher her three little brats a lesson, her husband returned with great wealth! He even hugged her legs and refused to let go. What was he trying to do? *** The children's father said, “Your mother's health is delicate but she's good-tempered. Don't bully her.” The mischievious little brats, who had been punished by being made to stand upside down, "Dad, open your eyes wide and look. Who's bullying who?" The children's father added, “My wife is honest and never causes trouble. All of you should give in to her.” The individuals who had been beaten up until they were black and blue, "Who should give into who now?" "My wife is virtuous and obedient. If I tell her to go east, she won't dare to go to the west!" The children's father brought over a basin of warm water. “My wife, the water for washing your feet is ready. Let me massage your feet!“

Xiao Changtian was a zoo keeper. He did not expect to get transmigrated with his zoo. However, in the new world, he had no power but all his animals had become celestial beasts. One day, the empress was heavily injured and was able to recover after consuming the egg of a tortoise from him. After she had learned that it was actually the egg of the Black Tortoise, she insisted on becoming his servant. “The egg that this man gave me was the egg of the Black Tortoise?” “Wait! Is that the legendary Phoenix resting on the tree?” “What that unique beast that’s black and white? Why have I not seen it before?”