The isekai genre was the most oversaturated genre of the 2010s. Yet, looking back on the decade, isekai is the genre that experienced the biggest explosion in popularity. There’s one for every variation on the idea, it seems – like being transported to another world in the form of slime.
Source：https://www.cbr.com/anime-like-that-time-i-got-reincarnated-as-a-slime/
