As with most themes, isekai comes in many shapes and sizes. For example, villainess anime have become very popular in recent years; meanwhile, "stuck in a game" shows have been around for nearly isekai's entire existence. Despite covering quite a few big names, kingdom-building isekai anime is one of the rarer subgenres that, at most, might produce two series per year. That said, we have been seeing an increase in the number of shows that qualify as kingdom-building; for instance, 2026 has already produced 3 anime!