Hypotheses time: Yoshiko already ascended into a greater being like doctor Manhattan. That is why she is can violates our universe law of physics and appear as a very "dumb" person in eyes of human.
Sad that Futatsu got banned on Reddit. You should not have done the early Patreon release thingy guys. I believe they will unban you of you remove it. It’s never too late.
It really pisses me off seeing them all posing for the last panel, as if there were actually some plot, or even friendship, when it’s actually just a trollfest.