I don't really have anything to comment on, except that the dress buying bug is entirely intentional; not even a bug, really. You can still get the comments for each dress from each LI if you exit the shopping menu and change your outfit during the FIRST line of dialogue; the LI should react as though you just bought it. That's all!
A member registered Jan 31, 2019
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As well, the game doesn't have 'bad' or 'good' endings at all; just different passages in the ending description based on your choices, with none being objectively better or worse than another