No, once a player becomes the monarch, there will always be a monarch until there is only one
On Watermelons (Japanese) blog, on their list of old back articles there are these two articles linked that cover dozens of Base-Neo differences between Japanese and English: Daydream Holic Night 1 : Daydream Holic Night Jason(neo1) Daydream Holic Night Neo : Daydream Holic Night 1 Jason has called out many of these errors, and some other English/JP differences dont affect gameplay in this era, but there are quite a few more that are mentioned that would affect actual game mechanics, but havent been called out in this thread (nor are they mentioned in the Compendium)
Youre most often going to choose to create a 2/2 or destroy a big creature, but the other abilities randomly come in clutch every now and again
1 Caterpie 172/165 While it could be due to an anomaly, when coming up with pull rates the team at TCGPlayer noticed that for whatever reason, the Illustration Rare Caterpie card 172/165 was significantly lower than any other card
Its nowhere near as good as Sun Titan or Primeval Titan, but I appreciate that were still getting new cards in that cycle in 2023