A Japanese man with a rare blood type has been the lifeline for many, consistently donating his blood for four decades. Fascinatingly, he found his purpose in life after discovering his rare blood type and decided to contribute to the medical cause. His unstinting efforts have not only assisted in numerous medical emergencies but have also raised awareness about the importance of blood donations, sparking a renewed commitment among others in his community.

In Japan, blood donation is a highly regarded act of volunteer service. The country has rigorous standards for donors, emphasizing safety and donor health. This man's long duration of continued service signifies dedication and altruism deeply appreciated in Japanese culture. His rare blood type makes his contribution exceptionally valuable, given the lower percentage of population carrying rare blood types.

In the US and EU, blood donation is also a critical part of healthcare services, but largely dependent on volunteer donors. Various measures are undertaken to encourage donors, just like in Japan. However, consistent long-term blood donation like this is relatively rare. Such extraordinary individuals are often widely recognized and celebrated.