Like other readers, right now, I find myself much less interested in this arc compared to the previous one because, well, I've pretty much read this before. Abusive/insane parent? check. Bullying? check. Forcing a child into giving out sexual "favors"? check.
Now, I'm not saying that just because someone told this story already it should never be told again as another author could do a better job of exploring the subject or approach the subject from a different perspective but here this doesn't seem to be case, at least not so far.
The first arc revolved around an issue that is rarely brought up and approached it pretty well, but here we're walking on well trodden ground and while there is some merit to repeatedly hammering on the same issue it might also result in people throwing their hands up in frustration, screaming "We get it. Can you stfu already?"