Okay, i got it now. But i dont get it. Why is it important, that i trust Takako to unlock Ending 8? I doenst change anything.
I will say that telling/not telling Umeko and trusting/not trusting Takako are two of the "bigger" decisions in the game. However, it is possible to get Ending 8 while not trusting Takako. Glad you're enjoying finding the different endings! And seems like you might've been close to Ending 18, which is one of my favorites.
We do have a guide if you decide to end up needing help and want to consult it (over on STEAM).
They locked all the mature games there. And Germany was pretty big with sales! So was sad to lose that support, but I should at least be happy that I got the help that I did from such great people when the game was on sale there for the month or so that it lasted. Still, I believe Germans can find it here on itch.io without any problems. :)