From a cynical realpolitik perspective, Japan is investing, so to speak, on Asian countries so that if a war with China breaks out, Japan would have allies when the time comes.
Although, as far as I know, Cambodia is a nominal ally of China because of the huge Chinese investments.
Asean
etc
Japan does a fair bit of good NGO work there, good stuff like freshwater plants etc
༼ つ ◕_◕ ༽つ
From a cynical realpolitik perspective, Japan is investing, so to speak, on Asian countries so that if a war with China breaks out, Japan would have allies when the time comes.
Although, as far as I know, Cambodia is a nominal ally of China because of the huge Chinese investments.