He's taking off his tie on the last page. He means Serious Hardboiled Detective business alright!
But honestly, the second Rinna tried to make him wait a bit inbetween all the (hot) kissing is when I thought they're gonna end up stopping short, because even if she likes him being a bit pushy...
Her driver needs to sleep. She is not going to keep picking up and dropping off this horny as hell tsundere all night until things go out of control. She is cutting out the middle woman and going home so that Nipa can cross the line
Ah, good old fashioned manga trauma. Complete with the family being a total tragedy and uncontrollable possession.
Now what I do question is Iruko and what she said during the hot springs exorcism. Nimura-sensei is missing, but she doesn't want to find him.
Why?
Oh boy
If they really do spread the toxic miasma, then what? Letting them live sectioned off in a place where they can do no harm is the easy answer but I don't see how it would ever go hand in hand with normal survivors (frightened, tired, angry) beginning to repopulate the world.
So Sonia's homicidal and Meryl's Not Right, Kaede's an easy winner here. I mean really, no contest.
Therefore that means there's a huge flaw in her just waiting for the right chapter, isn't there. I know how this works!