As Sukuna in Invincible - Chapter 25: Different Selfishness

Han Sheng Li is the Crown Prince of the Great Han kingdom. Since the age of fourteen, he mostly went to the wars with his father, Han Wenji, the great emperor of the Han Kingdom. He's the most favored child of his father but, is the cruelest and ruthless among all of his seven half brothers.

Extraordinary and decadent world.

Individual power determines order.

The family masters knowledge, monopolizes resources, and increases its heritage from generation to generation.

Fate, physique, spiritual consciousness, comprehension, spiritual roots, Taoist tools…

All elements leading to the avenue have been cut off.

Mortals can’t breathe.

For thousands of years, the order is eternal, and only the true immortals overlook the world.

It was not until a modern man who was constantly reincarnated and enhanced his talents came and discovered the mystery of this world that the world was turned upside down!

Let’s see him walking in history, exhausting time and accumulation, breaking this eternal order, and shining brightly.

Going against fate and killing immortals is on the way!

- Description from novelbuddy

High-school student Koremitsu Akagi finds himself attending the funeral of Hikaru Mikado, who had died in an accident during Golden Week. He’s not sure why he’s there, as he only exchanged a few words with Hikaru at school. However, Hikaru doesn’t seem to be completely gone from the world, as he comes back as a ghost in order to fulfill a promise to Aoi Saotome, his fiancée. Since Koremitsu is the only one who can see him, he asks him to carry out his promise in his place.

Complying with his request, Koremitsu tries to fulfill Hikaru’s promises to the rest of his “girlfriends”, helping them overcome past misunderstandings and repair broken relationships.

Born in the royal family, Yan Shi has too many things that he is helpless toward.

Doesn’t matter whether he is willing or not, he has already been dragged into the battle for the throne.

But above him there’s a father who detests and rejects him, and below him there are brothers watching him like a tiger watches its prey.

Yan Shi’s every step is filled with uncertainty, afraid that with one wrong move, he would lose everything.

But just as he was about to rein in the net, his stomach actually got bigger!

Help: We’re in the midst of fighting for the throne, what should I do with my big stomach? How do I ensure no one discovers it?

- Description from Novelupdates