Good morning, upon entering each world up until Splatters Arcipelago in the adventure mode, players were entitled to a juicy bundle. Now old players were actually allowed to benefit less from that, since they could not collect bundles from worlds they had already visited, contrary to other players.
What I'd like to suggest here is:
1) Make a bundle for Digisekai (slightly more expensive than Slatters Arcipelago one, but juicier, to follow the same trend).
2) Allow players to collect bundles from previously visited worlds. Of course, each of these bundles might still be bought just once.
Note that in both cases players are going to spend money if they want to buy the bundles. Of course, that's just an advice.
Best regards