Watched some spoilers for the next chapter. Don't want to say anything, but i think the real victim to the circumstances here is Chako and not Reiji.
Fattie needs to be whisked out from that depressive hellhole. It's a good thing for her she didn't attempt to slit her wrist,but if she continues involving herself with Reiji, she will end fubar.
A nice story driven episode between all the sex and ntr fest the others have.
@Sonaldo i heard a theory he might be