She was embarrassed to be seen as a couple with him because normally humans are simply eaten. So she was thinking more and more of just eating him but their growing feelings for each other have put a halt to that.
It's certainly a break well earned. Nakamura & Nozawa are among the hardest working mangaka I've ever seen and the quality per page is astounding. I'm looking forward to the color spread. I love when they delve into overt sci-fi or fantasy like this.