Hi

umm ill try hopefully u haven't read these

op mc ( most of them are isekai)
- solo levelling
-eleceed
-beginning after the end
-dark mortal
-medical return
-doctor's rebirth
-trauma center
-limit breaker
-I am the sorcerer king
- My dad is too strong
- The Descent of the Demonic Master

Tondemo skill de isekai hourou meshi, idk if you've read it yet but it's reincarnation with a slow paced theme