need a manga recommendation genre :sci-fi,action,adventure romance is ok but not too much, comedy would be awesome not a must tho

preferably a finished manga ie last chapter released or ongoing and has alot of chapters released not a must tho, Korean or Japanese doesn't really matter but only tho two,something more like the manhawa (korean manga) ID.

not something main stream like Op,naruto, bleach, gintama etc

thanks