After having completed several playthroughs with the new game mechanic, I have one minor concern about it.
(While the separation of corruption from pink cards has made some aspects of the game more accessible) it may need some kind of hint system for the corruption points. (Like the calendar saying how many points are needed for each week's lesson/events.)
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When the corruption scenes were based on the pink cards, most of the times, I just had to plan my deck according to the calendar. But now it feels like I'm going in blind every week - unsure if I have enough corruption or not.
And because the game always plays the scenes in order, if I miss one week, I have to restart the game (sometimes from the start) to unlock the new scenes. This mainly happened in the case of Evette and Ulric.
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Also, since the game needs the player to be conscious of the other cards as well, we can't simply stack up the corruption points either.
For example, in one of the playthroughs:
I was stacking a ton corruption points to unlock Ulric's route. However, as a side-effect, I lost all reliance in the process and Collette just jumped to Enrique. So, I had to redo the whole thing.
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Having said all that, this problem doesn't come into play for any of the other love(?) interests.
So, it's not like the corruption points mechanic is broken, but rather, it could just use some kind of hint system about the points needed.