I'm starting to think that there's some neutron star level of density inside Nishikata's head... at this point she could just go and kiss him and he'll still think it's a prank. God damn, Nishikata, just accept it already!
But from the other point of view, you can basically count with just one hand all manga titles which feel this real and wholesome at the same time... and I want this to continue forever)