Mushoku Tensei - Volume 4 Chapter 4 — Sage within the Ship

Grandpa Yu often repeated beside the ear of Yu Zhen, saying that he(YZ) has a soul in his body. If he doesn’t properly train in asceticism, and raise then send away the powerful soul, in this lifetime he would have to live as a bachelor. In his next lifetime he would be reborn as a lifestock animal.

Yu Zhen played on his mobile and nodded. On the surface he replied, “Uh-huh”. In his heart he laughed, “hahaha”. Keeping his grandfather in the dark was amusing so the lie was repeated for over ten years without Yu Zhen getting tired of it.

After some years, Grandpa Yu passed away and a cold-faced handsome guy came to his door in a luxury car – with a household register in his hands.

…..

Yu Zhen: The soul in my body reincarnated into someone else’s body to demand repayment, what should I do!

- Description from Novelupdates

He is the world's number one 'wanted criminal', causing havoc globally, and specifically targeting the black and white underworld.He is talented in everything and is a man of mystery.With the aim of finding various famous flowers, he roams the city known for its indulgence, carving out an exciting life in this extravagant city!

“Jiang Yu transmigrates into a novel and becomes a side character in the book.

An alternate realm invaded and the game descended. The entire Blue Planet was digitized.

Faced against countless waves of monsters, some people downloaded the Holy Knight module and became angels of light that helped the world reach enlightenment.

Some people downloaded the Warrior Monk module. They focused on their training and reached enlightenment overnight. With their fists and legs, they fought and made a name for themselves.

Chen Kun, who transmigrated to this world, downloaded the Boss module.

Each time he leveled up, his growth attribute improved multiple fold, and his attribute points multiplied. More importantly, all his skills were automatically unlocked as boss skills!

When the hole between the two realms opened and the gods of the alternate world came pouring in to invade this world, what awaited them was Chen Kun, who sat high up on a throne.

When the gods of the alternate world saw his terrifyingly long health bar as well as his boss skills that granted instant death and control immunity, reduced damage, true vision and many more skills, they despaired.

Chen Kun smiled and said, “So, are you the ones who will challenge my throne?”