Eleceed of course! otherwise these manwhas:
SSS-Class Suicide Hunter (try out the webnovel too, its a fav)
Villain to kill
Trash of the Count's Family (this one's webnovel is my actual favorite)
Dungeon Reset
Survival Story of a Sword King in a Fantasy World
Mercenary Enrollment
Return to Player
The Player That Can't Level Up
Jungle Juice
Trapped in a Webnovel as a Good-for-Nothing
Here's a few lists that I have :)
https://www.mangago.me/home/mangalist/812007/
https://www.mangago.me/home/mangalist/901798/
https://www.mangago.me/home/mangalist/280075/
Hope you find something!
Mashle: magic and muscle is 1000/10
https://www.mangago.me/read-manga/mashle_magic_and_muscles/
webtoons/novels like omniscient readers viewpoint or solo leveling
only requirement : no harems!! please