‘Isekai’ means ‘a different world’, and technically speaking, it’s only a story setting. However, due to its extreme popularity, it may as well be a full-fledged genre, with characteristic protagonists, features, and plotlines. The question is, then, what makes an isekai, well, isekai? What connects classic tales of a lousy nerd who suddenly transform into overpowered hero with slimes and smartphones? If you die for real, do you die in game? Who and what are we(ebs) really escaping in these alternative worlds? And can we finally stop talking about SaO?