The supporting character's harem is very normal - Chapter 536: I can’t lose you too

A boy from 21st century Earth, met an accident and later was reborn in Naruto’s Ninja World.
He is born in Uchiha Family and becomes the useless brother of Itachi Uchiha and Sasuke Uchiha…. Let’s see how he changed the Naruto world.

- Description from Novelupdates

Jang Joonbum started stream to enjoy an easy life.

I just lost myself in the deep and shallow temptation of her.
——by Jiang Hanyu
Everyone knows that the person Nan Gao doesn’t mess with is Jiang Hanyu
She is arrogant and fierce, relying on beauty, a proper little overlord in school
Everyone thinks that the best relationship with Jiang Hanyu is to call him brothers.
But one day, someone found that Jiang Hanyu was holding the hand of the goddess of coldness in the class and lowered his eyebrows after class.
Unruly girls become gentle and charming
He also said in an unbearable and irresistible voice, “Si Nian, will you give me a kiss?”
Then everyone knew that the best relationship with Jiang Hanyu was…

TIPS:
1. The Great Demon King X Miss Gao Leng
2. Campus text

- Description from novelbuddy

Zend Wolfled, a fallen nobleman known to the world as the most hated man in the world. And the main villain in a famous romantic fantasy novel.He was feared and hated because of what Zend had done so far without knowing what caused Zend to do these things.Zend has a secret that the world doesn't know that he is a Reincarnator and Tranmigrator. Zend knows that he is a villain character from a romantic fantasy novel, but he lives on his own terms.In the end, Zend only lived as a name labeled a villain by the whole world.Until the day comes, Zend was the last human to survive the appearance of The Evil One.The Evil One and The Angel saw the potential in Zend and sent Zend back to time Zend younger, second change-In this life, Zend will be the hero and villain of this romantic novel once again. Zend will engage with this entire world. Meet Transmigration, Reincarnated, 7 Sins, 12 Color, 6 disaster and Apostle.Zend Wolfled regret, hatred, anger, sadness and revenge will begin once again...