It's felt like that since the tables turned and Nezumi got the upper hand. At this point, the author would have to introduce a new set of antagonists to keep the story going. And they would have to be connected to the existing plot in some way. Can't see that happening without a significant...
I totally understand why the author takes these shortcuts, but man, sometimes the art in this gives me a good chuckle. Look at this wonderful 3d box of png crystals.
Seriously. There's nothing even hinting at this, and the amount of bullshit he went through completely on his own doesn't make sense. If anything, it feels like the author changing the story to align with fan theories, although I don't know what Japanese readers were saying about the story. This...
"I was just taking care of her clit-I mean clot. She had a blood clot and I saved her life, haha. I mean, there's nothing wrong with a little eating out, right?"