The early builds focused on establishing the "harem" or dating-sim feel—flirtations, group hangouts, and getting-to-know-you montages. Version 0.9 pivots hard into thriller territory. Without giving away critical spoilers, one of the major "side characters" reveals a hidden agenda that re-contextualizes every interaction you’ve had since the prologue.
She doesn’t knock. In the v0.9 update, she has become more daring, especially if you’ve been neglecting the "feeding" mechanics that drive her interactions. She stands in the doorway, the moonlight from the window catching the edge of her silhouette. Unknown Desire -v0.9- By FeelGoodGames
Detailed documentation, changelogs, and the game itself are typically hosted on the developer's official community pages: The early builds focused on establishing the "harem"