Runemaster in the Last Days - Chapter 827 - 829: Teaching

Liana, a humble omega raised in silence, awakens on her 18th birthday with the scent of her fated mate — the son of the Alpha. But the bond isn't simple. The Alpha has triplet sons, and all three begin to feel the pull toward her. Thrust into the center of political tension and pack rivalry, Liana must confront betrayal, ancient magic, and a forgotten prophecy.As she finds herself entangled with Kael, the stoic firstborn, Jace, the charming troublemaker, and Rowan, the cursed empath, Liana discovers she is more than she was told. Her wolf is the reincarnation of a Luna lost to betrayal. Her bloodline is royal, hidden in shadow. And her destiny is not to choose a mate but to unite a broken world.With Celeste, the Beta's daughter, unraveling in jealousy and Darius, a rogue Alpha with vengeance in his heart, threatening war, Liana must rise. Not as an omega. Not as a mate. But as the Luna fated to reshape the future.

Idol show for dead people?Rayen was suddenly thrown into a supernatural idol show after meeting an untimely death at the peak of his career as a band vocalist.Upon waking up in a strange building, with a creepy stalker fan claiming to have written his entire biography, and a strange jukebox demanding him to perform, he learned of his death and found himself in a bizarre situation.[Please select a song to dance.]“What? Dance? I don't know how to dance!”[Select a song or disappear?]“Ain't no way I'm gonna dance!”[If you want to revive, become an idol.]“Screw revival! I don't want to dance!”

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

He became the villain in the possessed game, the rival of the main character, and the second seat.