Hunter type / System-based

Ten years ago, when faced with an alien civilization's invasion, Earth's "Extraordinary" ability users not only stood up to fight back, but also transferred their powers into "ability books" for ordinary people to learn. After humanity joined forces to repel the alien invaders, Earth had become a world where only "ability users" reign supreme.

Today, Quinn, whose parents died in battle and who has no money to buy an "ability book"steps through the gates of the military academy.
SEEMS DECENT

In this world, everything is ranked. Low, a boy from the quiet village of Tuwuri,
loses everything when a mysterious force—known only as the Island of the Gods—
wipes his home off the map. Why was his village targeted? What secret lies behind its destruction?
To uncover the truth, Low makes a bold vow: “I’ll go to the Island of the Gods myself.” But he needs to be in the top 10 of adventurers ranking
LIKING IT, THE MC IS COOL

In a world ravaged by despair, where survival is a daily struggle, every human awakens a mysterious supernatural ability called a “Word Attribute” (词条).
For Zhao Cheng, life has been nothing but running and hiding— all for one purpose:
to find the sister who once saved him. On his sixteenth birthday, he finally awakens his power— not just any ability, but the world’s only Radiant-Class, growth-type Word Attribute!
I LIKE IT

In a world that has already been destroyed by death and despair, the legendary Sword God, Karserian Le Vandeiyan, fought until the end. Just as all seemed lost, he is transported to another world — Earth — which has not yet fallen. Monsters are starting to appear, but humanity remains unaware of the looming danger. To prevent history from repeating, the Sword God inhabits the body of a weak human and vows to protect that person’s family.
I LIKE IT, THE MC IS SO COOL AND STRONG

The protagonist, Touji Nanase, who was constantly harassed by debt collectors and bullied by his boss at a toxic job, gets sucked into a dungeon that suddenly appears and is attacked by monsters! As he teeters on the brink of death, he gains a legendary item and awakens a cheat skill called “Magic Swordsman,” allowing him to transform defeated monsters into swords.
It's good, entertaining enough.

The Great Cataclysm that took place on Halloween. Ever since, the world has turned into a hell swarming with grotesque monsters. The only ones capable of fighting back were the Chosen Ones, those who possess superhuman powers.K, an S-Rank individual, fought life-and-death battles against the monsters as a dog hired by the organization. However, in one such battle, he loses his lifeBut when K, who was supposed to be dead, awakens, he finds himself in the body of a baby.
It's cool, MC baby is cute

Han Jaewoo is a sweat in the world-famous game “Savior Of Humanity.”
Once a hardcore player, now drowning in debt in his tiny room.
His long-awaited showdown with a demon lord ends in an unexpected failure.
The debt collectors are closing in… and all that’s left to him are despair and stubborn grit.
That’s when Aquila, the administrator, appears with an offer:
“Don’t you want to see it? The true happy ending of this game…”
Its cool

Cha Eunha, a first-generation hunter who went missing inside the mysterious Unknown Gate, is coming back. Wearing a pitch-black dress and carrying a parasol, she had to stay behind in the Gate to save her comrade. Surviving by defeating monsters, she eventually encounters a human by chance. And finally, Eunha returns to the real world... "Welcome to the world 30 years in the future, senior."
SO COOL AND PRETTY