Individual character data is stored as .png files (cards). You can download these from community galleries and drop them into these folders to see them in-game.
IllusionMods/KK_Plugins: Various plugins for various ... - GitHub ai shoujo save file
Use a utility like 7-Zip to extract the files and move them into your game's UserData\save directory. Individual character data is stored as
Start the game; the new progress should be reflected in your save slots. Essential Tips for Save Management AI＊Shoujo - PCGamingWiki PCGW ai shoujo save file
By default, AI Shoujo stores its save data directly within the game's installation directory.