Definitely not Stockholm. Hands down, the craziest moments in the series happen during this arc. I imagine we're gonna start slowly winding down to the ending from this point. As sad as that makes me, this is the right time to do it.
Just consider what the author did to Tomoko for the first 50 or whatnot chapters. Characters need to earn their redemption by first suffering. This is the only way for Nemo to get a good ending.