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Very mixed bag in terms of both isekai "subgenres" and quality from series to series:
>Thermae Romae
Roman bathouse owner world-hops to Japan, steals their own bathouse ideas/gimmicks and re-introduces them back to his fellow Romans.
>The Misfortunes of Local Knight Hans
Local isekai nobleman Hans is troubled by the appearance of a bunch of overpowered Japanese isekai-jin at his doorstep.
>The NPCs in This Village Sim Game Must Be Real!
Isekai Clash of Clans(tm) makes a NEET re-think his life choices. He doesn't actually die/reincarnate in this one, but interacts with the other world as a local god.
>Amagoi
Group of students is transported into a bizzare, rainy world of giant mushrooms and fungi people.
>Drifters
Historical figures split into factions and fight for dominance over a fantasy world they've all been dumped into.
>Samenai Machi no Kissaten
Woman is transported into Dream France. Runs a quiet, cozy cafe there.