Villain's Harem Returns - Chapter 4: Knowledge

This story is centered around the man named Yi Ji-Hyuk, who has spent 1000 years in a Medieval Western fantasy-like world before returning back to the modern-day Earth. When he returns, he finds that his home is facing monster threats, and that humans with superpowers have appeared to protect the innocent people of Earth.

Reborn in a frail body disgraced by its family, Zhuang Xing—the once-legendary Pill God—awakens to a brutal world where martial prowess defines destiny. Surviving an attempt on his life by his own family’s henchmen, he realizes he’s been reborn in the Great Qi Country as the despised son of the Zhuang family.Three months before the prestigious Hidden Dragon Ranking, Zhuang Xing must rise above his limitations to claim his birthright and reclaim his former strength. With enemies surrounding him, will Zhuang Xing overcome his frail shell and silence those who doubt him?

The truck driver brought Ling Xuan to the parallel world World Blue Star for the year-end award.

Here, the physical body travels to replace Ling Xuan, a senior high school boy with the same name and surname, and obtains a check-in system.

(The introduction is pale, please see the content for details.)

- Description from novelbuddy

After waking up, Bei Chen bit the bullet and became the leader of a certain group. On the first day of taking over the organization, the old housekeeper introduced Bei Chen to the three core cadres of the organization.

“Master, this is Coulson, and the two next to him are Natasha and Mei. They are the backbone of the organization.”

Beichen: “…”

All undercover? Going in through time travel?

Fortunately, the system was awakened at a critical time. As long as it is summoned and contained, it can get rich system rewards.

Ding~ Congratulations to the host for successfully taking in the Crimson King and gaining the power of supreme divinity! The Scarlet King in full force.

Ding ~ Congratulations to the host for successfully containing the son of evolution, and gaining the power of fusion evolution and transformation!

finally! Beichen, who possesses thousands of abilities, has become the most indescribable existence in the multiverse!

- Description from novelbuddy