The "interesting text" you are referring to is likely the found in the game ONI: Road to be the Mightiest Oni (Title ID: 0100E26019420000 ).
Text in the game hints at deeper mysteries, such as the fact that Kuuta once lived among humans. ONI Road to be the Mightiest Oni [0100E2601942...
If the text you are looking for involves a dystopian future or a World Coalition Government, you may be thinking of the 2001 game Oni (developed by Bungie), which has a completely different plot set in the year 2032. ONI : Road to be the Mightiest Oni for Nintendo Switch The "interesting text" you are referring to is
Various documents have washed ashore on Kisejima that describe past events on the island, providing cryptic lore for players to uncover. ONI Road to be the Mightiest Oni [0100E2601942...