Spartan Reincarnation - Chapter 6: Eiren

The end of the world is coming, the world has undergone great changes, and everything has changed. Plants, animals, and even insects, as long as there are living things, have mutated.
Become more powerful, and even evolved supernatural abilities, such as chickens and ducks that can fly to the sky, such as cats and dogs that can breathe fire.
But only humans, without any obvious changes, seem to have fallen from the top of the food chain to the bottom of the food chain overnight.
Any creature that can open its mouth to eat can treat humans as food.
But fortunately, this world has not completely killed humans. Gradually, humans discovered that they had the ability to cultivate compatibility with other creatures.
As long as it has a high degree of compatibility with some powerful mutant creatures, it can be used for its own use to achieve the purpose of protecting itself.
Fang He is a person who is very compatible with mutant animals, but it is also because of his ability that he has changed from the strongest to the stupidest.
Fang He, who was reborn, said, “Hmph, this time…”

- Description from novelbuddy

Once upon a time, a boy was referred to as a “War Hero.”

In another world called Aletia, the boy who had saved the Lost Kingdom, conquered their neighbouring countries, and led to the rise of a grand empire decided to throw everything away, returning to the modern era at the cost of his memories.

As three years passed, the boy who was happily enjoying his daily life was once again called back to the other world.

However, what awaited him was the Aletia of 1000 years in the future.

As his past glories became a “myth,” the legend of the youth referred to as the, “Twin Black Hero King,” begins.

Encountering a car crash, the King of Silver Screen, Ye Sinian, was bound to a Cannon Fodder Counterattack System.

After reincarnating for hundreds of lives, he has finally earned enough “travel expenses” to go back home.

However, he didn’t think that the system would suddenly malfunction, making returning back home from then on hopeless.

With the shackles of a millennium broken, Ye Sinian aggressively counterattacked!

Reversing fates while hugging the mentally ill* Lord Seme, he walked towards the apex of humanity!

*Mentally ill – Schizophrenic

- Description from Novelupdates

Mei Fang’s rebirth story takes him back 20 years to the year 2002, becoming a 6-year-old boy who just wet the bed during nap time.On this same bed-wetting day, he tightly grasped a fate he had overlooked in his previous life, a love story spanning beautiful years, thus beginning a new journey—“Mei Fang, the three of us, are we going to be forever and ever, always good friends?”“Pinky promise… it’s a deal… no change is allowed… for a hundred years.”From a well-behaved little angel to a mischievous little devil.From a troublemaking wild girl to a cold and aloof female top student.The personalities of these playmates who spend their days together will evolve with the changing circumstances. Do you still like the way she was at the beginning?Playing with childhood sweethearts, and frolicking through the day, their paths crossed at the doorstep of their youth.Not shy or reserved, only infatuated without constraint.