japan definetely going to weaponize kotatsu we need something to counter it
Proper insulation, effective central heating systems, and houses not built drafty as hell is a fairly effective countermeasure as most of the rest of the industrialized world has figured out. You can add a fireplace if you want but I've never been much of a fan aside from occasionally warming feet after spending time in snow boots.
I remember a story of the Brits doing something like this to the Ottomans with some opium laced cigarettes
... or was it Chinese rather than Ottomans?
AkashiSomehow, the Shipgirls completely failed to sortie that winter.They're warm!
From the Abyss
with love♡We got a whole bunch of kotatsu sent to us from the Abyssal Fleet.KotatsuOur base is sorely lacking in supplies. We shall gladly make use of them.All toasty~Man~ You just can't leave, can you?I have no idea... ButAre they rigged with something?They're just common, garden-variety kotatsu.
I checked them.The Abyssal Fleet started to violently steal back command of the seas area by area.Nagato's headProof of friendship... what does it mean?