It’s a huge let down when you realise that probably the smartest guy in this universe (Dr. Sawatari) is dead. I think if Maru and Kiruko had shown him the antidote Maru was carrying then he would have worked on making more
So I’ve watched the anime twice and I’m rereading the manga for the third time now and this time I’m going through the comments.
I just saw a theory about Kiriko being one of the children from the Nursery and at first I thought “that’s completely insane” but now taking into account the craziness...