They're not compatible and shouldn't be a couple regardless even if they were the same age AA hon
Well... about that... sensei always writes incompatible and kinda toxic couples, and we eat it up :P . I mean the minor could be a problem if there isn't a time skip, but besides that such odd coupling isn't unnatural for Nemui. It's almost like a manzai shtick
i dont get the ending hello like why doesn't dai just take jaehee with him or smt like ya he has guilt for crangela but like just come back?? not that deep
my favourite emo little bro is back