Glad you enjoyed it!
Art and story were my focus as well, so I'm happy to hear that.
As for the hidden route, to add to the hints in the description section, you have to go to the place where ??? is in the first and fifth weeks.
Any choice during the conversation is fine. Only the location is important.
Hope this helps you!
Viewing post in There's no such thing as a harem comments
Maybe weeks 2-4 are the wrong places to go.
As indicated in the description column hint, the location for weeks 2-4 also needs to be correct.
There are strategy answers on my website below, and I have prepared an English version.
If you need them, please use them.
(Go "Game" and click "All route answers" in There's no such thing as a harem)
https://anomalyxxx.wixsite.com/anomaly