Choices carry heavy weight and can restrict your future actions.
You can find official releases and updates on the developer official pages: Official Page: KKpotato on Itch.io .
Desire of Fate Episode 1 v1: The Ultimate Download & Gameplay Guide
Affect your interactions and the intensity of adult scenes.
Be mindful of who you focus on. Dedicating yourself to certain girls may lock you out of routes with others later in the game.