Text in the game hints at deeper mysteries, such as the fact that Kuuta once lived among humans.
The "interesting text" you are referring to is likely the found in the game ONI: Road to be the Mightiest Oni (Title ID: 0100E26019420000 ). ONI Road to be the Mightiest Oni [0100E2601942...
The developers at KENEI DESIGN explicitly intended the world to feel like jumping into the pages of a "childhood picture book," leading to unique and evocative descriptive text. Text in the game hints at deeper mysteries,