Since this is supposed to be middle of tokyo (right?) seeing just mushrooms would be odd, maybe there's some new species that can break down large metal and stone constructs at rapid pace...Mc clearly has not played the last of us, or even thought about how fast nature reclaims teritory when humans don't interfere.
I mean, mc was imagining the apocalyptic wasteland scenario, which would not really happen unless life became more or less totally unviable in the area. Was mostly refering to thatSince this is supposed to be middle of tokyo (right?) seeing just mushrooms would be odd, maybe there's some new species that can break down large metal and stone constructs at rapid pace...
Also you say if humans don't interfere but it's not like humans died out or nothing right, maybe the lived in areas have some preserved larger buildings.
Apocalyptic ruins by EA.i see what you did with that last page, nice detail, would be funny as heck if that was cannon