This game is so complex that i almost tried to cover every possible route and still find some route missing. You need hours to go through each path. I don't know how Nyx is designing this masterpiece.
The only sane possibility is that MC wants to breakup with her for someone. That is a path. Maybe Nyx is writing this path and trying to fool us.
Another path is Alexis and Erynn path where you are still interested in Erynn path and avoiding Alexis after the beach.
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After knowing that Santiago is his dad, the current threats to him are Gabi, Adriana, Alexis and Layla.
Since, there is no incest, I would really want to know how Nyx would end these stories without justifying the name "Intertwined".