7% of Japanese belong to BUSHI class. BUSHI is the knight in western. There is the BUSHI-DO (chivalry). The most famous word about BUSHI-DO is that BUSHI-DO is to find the way to die. All real BUSHI want to find the way. And they want to die anytime. So when BUSHI is ordered to die by HARAKIRI, he is very glad. And saying "BANZAI" which means cheers, he does the HARAKIRI!!