ワールド無限化ｷﾀ━━━━(ﾟ∀ﾟ)━━━━!!

https://minecraft.net/en-us/article/better-together-faq

Q: Are there infinite worlds in Minecraft?
A: Yes! And, if you play with a world from Minecraft: Xbox One Edition or Minecraft: Nintendo Switch Edition it will keep generating more world when you get to the old edge of your map.