Vol. 6 - Chapter 88

As the Nightmare approached, Kaori glanced back to where Mizaki was being healed. 

I need to stay close to her,  the Savior thought.  If I don't, the buff from Mark of Love goes away. 

That buff, the massive amount of numbers she had gotten from placing that mark onto Mizaki just a day ago, was probably the only reason Kaori had a chance at winning here. 

Well, that, and her 100 Constitution, of course. That said, if there was a demon strong enough to break through someone with that kind of durability, Kaori guessed it would be this one.