Any light novel with tags: transported to another world, overpowered mc, military, wars, fantasy, magic, kingdom/world building, technology gap. Similar to Overlord, Konosuba, Gate, etc.
>>173641
Re:Zero
Youjo Senki
>>173641
Against the gods or any other Xianxia novel.
Evil God Average
Hello Work
Risou no Himo Seikatsu
Knights & Magic
Dungeon Defense(korean but good)
Lazy Dungeon Master
try novelupdates
>>173641
alderamin on the sky is a military fantasy LN, and it has an anime by Madhouse right now
you can check out the anime and LN, either way MC is based as fuck (eg: he fucked multiple milfs), also try not to get spoiled if you go to the threads