Abandoned it.
Long story short, dev told Zoey there is no harem but they made the walkthrough to fit a harem ending that doesn't exist.
OH, Fuck...
I am a low-tier patron of Zoey. That is sad news. This game needs a walkthrough.
The walkthrough is not useless even if there's no harem ending. The Walkthrough was telling us what to do to get points and scenes. I wouldn't even know there's a "suspicion" mechanic there if it wasn't for the WTH.Long story short, dev told Zoey there is no harem but they made the walkthrough to fit a harem ending that doesn't exist.
Put simply, the walkthrough is useless.