Someday Will I Be The Greatest Alchemist? - Current Character Status 2:

The first time she saw him, he was surrounded by flames. She couldn’t clearly see his eyes, but his gaze burned every part of her skin it lingered on.

Surely if the legendary beasts ever had existed, he would be one of them—one of the dragons.

****

Kel has spent her life as a palace guard, hiding her mysterious ability. When sent in the princess's place to form a marriage alliance with a neighboring kingdom, she is captured by enemy soldiers and taken to the Serin Empire.

The ruler of Serin is a terrifying and coldhearted man, but he seems to have taken an unusual interest in Kel. How long will she be able to keep her identity and abilities a secret under the constant gaze of the Dragon Emperor?

----------

!!Slow burn romance!!

~I own no rights to the cover image~

Defiance of natural order of a single young Dragon soul.

An orphan dies while saving a bus full of children. For saving countless lives, the Universe grants him the opportunity to transmigrate to another reality.

There he realizes his dreams of supporting his new family and opening a company that will shake the foundations of this new world. He will be known as the MasterChef of the gods, a superstar singer, the best Mangaka to exist, the best Director, the businessman of the millennium and many other adjectives.

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