I only lived in Japan for two years, as a student and working... but I can relate to this feeling of "security". By "fua fua" I assume you mean the sense of casualness in western countries (USA, Europe). Whenever I returned to Japan it felt like I was going into a womb. A bit suffocating but secure. But what about the earthquakes?!
Japanese are aware of beauty and great culture . I hope UK people living overseas would go home and rebuild their nation back to normal as it was back in 30 yrs ago. Immigration policy , improper distribution of welfare etc.. Japanese take care of ourselves and struggling not to follow UK and US path . Japan is not destination for whose who abandon their mother countries.