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The options given to you from this point on get more and more severe.
The affection levels can be adjusted, but the main character's link gauge status at the beginning of the generation is key.
If you've been following these hints closely, only one mistake may cause certain events to disappear. They aren't plot related or special events, so you should be able to view them as long as you make adjustments at a three heroines event.
The most difficult quest area of this generation might be the Frozen Trees.
It's easy to get lost in these woods. The hint here is to move horizontally when you don't know where to go.
The enemies gets stronger from the middle of this generation on, so you might want to reinforce your equipment as well as prioritize the order of the enemies you need to defeat each battle.
At the first route branching point, it's up to you to decide where you want to go, but if you've been following the hints, your path is pretty much set. Hint: A character that joins your party at this point has an event that will occur even if you select to have that person join later.
Immediately after the first branching point is another one. Again, it's up to you, but you might want to select the warmer option! An event will appear, though the conditions for it might be a little challenging.
If you've been following the hints, a certain character should not be in your party yet. That character will join later, but you might not be able to view an event depending on how you proceed. The key here is to follow "the shortest way around is the longest way home".
You might want to go back to get prepared after that character joins.