Quality Action !!

On his first day of transferring to a new high school, a loner named Mori Buntarou, is cajoled by a classmate into climbing the school building. Despite knowing that one misstep could send him spiraling to his death, he moves foward, and upon finally reaching the top, Mori experiences a sense of fulfillment. That feeling, which seems to be telling him, "You're alive!" gives birth to an adrenaline for rock-climbing. (Action imo)
GIVE THIS A SHOT EVEN IF U DONT LIKE SPORTS MANGA PLS

After failing the Grade Nine civil service exam four times and many twists and turns, Han Maru finally succeeded in becoming a special civil servant under the Ministry of Environment. Goodbye, gosiwon! Goodbye, convenience store lunchboxes! But the joy of passing was short-lived. It turned out to be a life-threatening national secret job?! Along with the yellow dust came the demons, creatures that kill and eat humans
I haven’t read a fighting manhwa that engaged me this much in a longggggg time!

new manga but it has potential!
The manga centers on high school student Seiji, who once had the bad luck of falling down a well and stepping into the underworld in his childhood, and has since been cursed with bad luck. He has always been near danger, making everyone afraid to get close to him, with the exception of his one friend from childhood, Haru. When something he brought back with him from the underworld begins to activate, his life takes a strange turn. (Source: Anime News Network)

The manga's story teases of a boy who thinks everything in the world is worthless: the heroes who pretend to fight with grace, his classmates who only know how to flock together, and his own weak, miserable self. That is why the boy aspires to be the lonely, solitary, and ultimate villain, to change himself and the world.

Reminds me of The Boys TV show but with power rangers as the heroes and aliens forced to be their villains

Shintarou Jagasaki, who is a neighborhood police officer, lives with his girlfriend while working a job that is killing him slowly with annoyance. It looks like he will end up marrying soon and live a boring life with a nuclear family - a grim future for a guy with dreams! One such day, a mysterious monster appeared on the train and he suddenly can shoot with his right hand like Master Buppanatsu, the eggplant mascot of his city!

The ‘curse’ left by the demon king a thousand years ago turns people into magicians. Lapis dreams of becoming a paladin while hiding her identity as a magician. One day, she accidentally summoned the demon king ‘Kara’! The demon king will remove the curse if she helps him, but… Wait, this Demon King’s confession is unusual?! Chasing the stars, Lapis approaches the truth of a thousand years ago.

Am I the worst character Baek Yu-seol? Extreme difficulty, worst performance. In a world where everyone uses magic, Baek Yu-seol is the worst trash character of all time who is ignored because he cannot use magic. [Due to the wrong ending, 90% of Aether World was destroyed.] [Please reach the true ending.] I became possessed by White Yuseol. The only magic skill given to me is 'Blink'. I am the fastest wizard in the world.
(this is subtle harem manhwa but otherwise pretty good)

Waking up, Kim Hajin finds himself in a familiar world but an unfamiliar body. A world he created himself and a story he wrote, yet never finished. He had become his novel’s extra, a filler character with no importance to the story. The only clue to escaping is to stay close to the main storyline. However, he soon finds out the world isn’t exactly identical to his creation.

another subtle harem manhwa :( but it’s good. sad to see a bunch of losers show how much they hate women in the comments

I ENJOY THIS SO MUCH BRO NO WORDS TO EXPLAIN IT

A poor boy from the slums is determined to take revenge to everybody for the death of his mentor