Possibly Narcissu-specific. Clicking on the save slot is not enough to save, you have to hover the cursor on the area that has text first, then click. Hovering over the save slot number does not work. This is problematic for new players, since all save slots would be empty, and they have to hover the cursor over a tiny bit of text of an empty save slot in order to save. Empty save slot text is "-- --- --:--", hard to click accurately.
Possibly Narcissu-specific. Clicking on the save slot is not enough to save, you have to hover the cursor on the area that has text first, then click. Hovering over the save slot number does not work. This is problematic for new players, since all save slots would be empty, and they have to hover the cursor over a tiny bit of text of an empty save slot in order to save. Empty save slot text is "-- --- --:--", hard to click accurately.