Tensei/Isekai/Summoned/Time Travel/VRMMO/RPG/Dungeon + powerful skills
(New Environment)
I didn't include ALL of the tensei's I've seen, just the pretty good ones that aren't overly obsessed with harem/eechi.
Other list that's only 9.5 or higher Isekais:
https://www.mangago.me/home/mangalist/2296175/List 1/5
