How many words should there be per chapter in a novel?

Being taken away of all his freedom, Noah was thrown into the jail accused of a murder he hadn't committed. This incident broke his personality permanently, getting out of the jail Noah started living as a shut-in giving up at everything.  Noah read novels as a mean to pass his time, while reading novels an particular novel caught his eyes, it's name was 'the hero of velveric fights the demon lord' 'It's a harem novel......' That was what Noah had thought in the beginning but, it all changed at the end of the novel.  'What the Hell's with this crazy novel!' The protagonist and all his harem members were killed and in the end the demon Lord took over the world.  It was then, after finishing reading the novel, Noah started coughing out blood and succumbed to his lung disease. Opening his eyes Noah found himself in a body of a 8 year old kid of the Melvix family which appeared in that crazy novel. He was known as the garbage of the Melvix family by all the knights and family members but that didn't matter to Noah. What matter is that- 'It's impossible to survive in the novel if you are not strong enough......' ********************************************** The cover used for this novel isn't mine. if you are owner of it and want to remove it please inform me.

"A Villainess should be strong," she thought as she vaporized an entire lake. The day Estelle Clareste was born, she already had the memories of Kirisaki Reina, a 21-year-old woman living in modern Japan. From a Villainous Duke's daughter, to the world's leader, and suddenly a Goddess?! Estelle's past, was it as simple as she first thought? Or was there something more lurking behind? Will she achieve her goals, or will she meet her downfall before that? -Photo not mine, I found it on Pinterest ^^-

Dropped. Don't read this. *** Various monsters came out from mysterious gates that appeared all over the world. Along with this incident, humans also gained power and were called hunters. Radmilo Laiv is a hunter with the power to control time. He spent his life serving the world government and becoming a hero. However, he was killed because his power was considered a threat to the government. It was a stroke of luck that Radmilo could return to the past because of his powers. In this life, he doesn’t want to be a hero anymore. Should he play the evil role and become a villain? *** The cover is mine, commissioned by @erminea_ on IG 暂停。

Synopsis.

Adam was a normal teenager, except for his exceptional attractiveness. He was kind, helpful, and enjoyed reading fantasy novels. One day, while out for a walk, he saw a vehicle speeding towards an elderly man. After a moment of internal struggle, Adam decided to help the man from the speeding vehicle, ultimately losing his own life. However he reincarnated in a fantasy world. Upon reincarnation, Adam discovers that he has been reborn as a girl in a novel he had read, but has been captured and sold into slavery. To his surprise, he learns that he is a mixed blood, with half of his blood belonging to a succubus and the other half a mystery. Even more extraordinary is the fact that he possesses not one, but three auras, all of which are mythical and unknown to many in this world, where people are only born with a single aura. Adam is purchased by a beautiful lady and sent to serve her daughter, who just so happens to be one of the main villains in the novel. But why does the villainess seem to know about the future? [This novel contains graphic and explicit content including BDSM, Yuri, GL, and gore. It features futa-female scenes and is not suitable for readers under the age of 18 or those with a sensitive disposition. Read at your own discretion and be prepared for a thrilling and intense experience.] {This novel is also available on ScribbleHub for your reading pleasure.}

Li Jing transmigrated in the xianxia web novel he was reading before his death. Unfortunately for him, he didn’t become the main character. With the help of his knowledge of the web novel and a system gifted by a mysterious god, will he be able to surpass the main character and reach the apex?