Don't buy these old japanese houses, they're literally made of mud and sticks and have absolutely fuck all for insulation.
Living in nature is all fun and games until you're expected to sleep in 50 degree weather while your split unit struggles to keep your paper box of a bedroom cool.
Most of the time the closest hospital is like 2-3 hours away on a bus that only comes twice a day, so you better hope you never get in an accident cause the ambulance won't come for hours and your only other hope is the only other person in neighborhood: your 90 year old neighbor who you're not sure is even still alive.
Source: lived in one for multiple years.
Edit: also when I say old I mean as soon as 1995 Before they majorly overhauled the earthquake and insulation codes nationally
I'd say this seems useful mostly for pulling non nbz/torrent sources from readarr and lidarr services