It might take years and years to finish the story... An episode might be either one in-game day or a few in-game days. An entire episode (or partly) might be a flashback. While developing an update, you never know how much free time you'd afford to work on it, how many new ideas you'd come up with, what difficulties you'd face, etc. Plus, Nyx has tons of renders to redo ahead of her (scripts alteration included).
If the whole story is supposed to be 3 in-game months, so we are 1/3 there (Week 5 progressing). Personally, I believe it all will finish before the in-game summer starts. And I don't think such a story will witness some time skipping.
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